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All ransomware groups

blackshadow

3 tracked victims
·first seen 2021-12-18·last activity 2021-12-18

Activity analysis

HackerFeeds has tracked 3 victims claimed by blackshadow since December 2021 — ranking #285 of 332 groups (0% of all tracked ransomware victims). No new victims have been posted in the last 180 days; the most recent claim was in December 2021. Its most-targeted sector is Financial Services (2 victims), followed by Technology (1).

Victims per year

  • 20213

Top sectors

  • Financial Services2
  • Technology1

Top countries

    Computed from victims claimed on the group's leak site as collected by HackerFeeds; claims are not independently verified. Monthly reports · Methodology

    Group profile

    BlackShadow is an Iranian-linked hack-and-leak group (linked to the Agrius APT) that targeted Israeli companies including insurance firm Shirbit and hosting provider Cyberserve, leaking medical records of 290,000 patients, using extortion as a tool of geopolitical disruption rather than purely for financial gain.

    MITRE ATT&CK TTPs

    TA0001

    Initial Access

    • T1078.002Valid Accounts: Domain Accounts

      [Agrius](https://attack.mitre.org/groups/G1030) attempted to acquire valid credentials for victim environments through various means to enable follow-on lateral movement.(Citation: Unit42 Agrius 2023)

    • T1190Exploit Public-Facing Application

      [Agrius](https://attack.mitre.org/groups/G1030) exploits public-facing applications for initial access to victim environments. Examples include widespread attempts to exploit CVE-2018-13379 in FortiOS devices and SQL injection activity.(Citation: SentinelOne Agrius 2021)

    TA0002

    Execution

    • T1059.003Command and Scripting Interpreter: Windows Command Shell

      [Agrius](https://attack.mitre.org/groups/G1030) uses [ASPXSpy](https://attack.mitre.org/software/S0073) web shells to enable follow-on command execution via <code>cmd.exe</code>.(Citation: SentinelOne Agrius 2021)

    TA0003

    Persistence

    • T1078.002Valid Accounts: Domain Accounts

      [Agrius](https://attack.mitre.org/groups/G1030) attempted to acquire valid credentials for victim environments through various means to enable follow-on lateral movement.(Citation: Unit42 Agrius 2023)

    • T1505.003Server Software Component: Web Shell

      [Agrius](https://attack.mitre.org/groups/G1030) typically deploys a variant of the [ASPXSpy](https://attack.mitre.org/software/S0073) web shell following initial access via exploitation.(Citation: SentinelOne Agrius 2021)

    • T1543.003Create or Modify System Process: Windows Service

      [Agrius](https://attack.mitre.org/groups/G1030) has deployed [IPsec Helper](https://attack.mitre.org/software/S1132) malware post-exploitation and registered it as a service for persistence.(Citation: SentinelOne Agrius 2021)

    TA0004

    Privilege Escalation

    • T1078.002Valid Accounts: Domain Accounts

      [Agrius](https://attack.mitre.org/groups/G1030) attempted to acquire valid credentials for victim environments through various means to enable follow-on lateral movement.(Citation: Unit42 Agrius 2023)

    • T1543.003Create or Modify System Process: Windows Service

      [Agrius](https://attack.mitre.org/groups/G1030) has deployed [IPsec Helper](https://attack.mitre.org/software/S1132) malware post-exploitation and registered it as a service for persistence.(Citation: SentinelOne Agrius 2021)

    TA0005

    Stealth

    • T1036Masquerading

      [Agrius](https://attack.mitre.org/groups/G1030) used the Plink tool for tunneling and connections to remote machines, renaming it <code>systems.exe</code> in some instances.(Citation: Unit42 Agrius 2023)

    • T1078.002Valid Accounts: Domain Accounts

      [Agrius](https://attack.mitre.org/groups/G1030) attempted to acquire valid credentials for victim environments through various means to enable follow-on lateral movement.(Citation: Unit42 Agrius 2023)

    • T1140Deobfuscate/Decode Files or Information

      [Agrius](https://attack.mitre.org/groups/G1030) has deployed base64-encoded variants of [ASPXSpy](https://attack.mitre.org/software/S0073) to evade detection.(Citation: SentinelOne Agrius 2021)

    TA0006

    Credential Access

    • T1003.001OS Credential Dumping: LSASS Memory

      [Agrius](https://attack.mitre.org/groups/G1030) used tools such as [Mimikatz](https://attack.mitre.org/software/S0002) to dump LSASS memory to capture credentials in victim environments.(Citation: Unit42 Agrius 2023)

    • T1003.002OS Credential Dumping: Security Account Manager

      [Agrius](https://attack.mitre.org/groups/G1030) dumped the SAM file on victim machines to capture credentials.(Citation: Unit42 Agrius 2023)

    • T1110Brute Force

      [Agrius](https://attack.mitre.org/groups/G1030) engaged in various brute forcing activities via SMB in victim environments.(Citation: Unit42 Agrius 2023)

    • T1110.003Brute Force: Password Spraying

      [Agrius](https://attack.mitre.org/groups/G1030) engaged in password spraying via SMB in victim environments.(Citation: Unit42 Agrius 2023)

    TA0007

    Discovery

    • T1018Remote System Discovery

      [Agrius](https://attack.mitre.org/groups/G1030) used the tool [NBTscan](https://attack.mitre.org/software/S0590) to scan for remote, accessible hosts in victim environments.(Citation: Unit42 Agrius 2023)

    • T1046Network Service Discovery

      [Agrius](https://attack.mitre.org/groups/G1030) used the open-source port scanner <code>WinEggDrop</code> to perform detailed scans of hosts of interest in victim networks.(Citation: Unit42 Agrius 2023)

    TA0008

    Lateral Movement

    • T1021.001Remote Services: Remote Desktop Protocol

      [Agrius](https://attack.mitre.org/groups/G1030) tunnels RDP traffic through deployed web shells to access victim environments via compromised accounts.(Citation: SentinelOne Agrius 2021) [Agrius](https://attack.mitre.org/groups/G1030) used the Plink tool to tunnel RDP connections for remote access and lateral movement in victim environments.(Citation: Unit42 Agrius 2023)

    • T1570Lateral Tool Transfer

      [Agrius](https://attack.mitre.org/groups/G1030) downloaded some payloads for follow-on execution from legitimate filesharing services such as <code>ufile.io</code> and <code>easyupload.io</code>.(Citation: CheckPoint Agrius 2023)

    TA0009

    Collection

    • T1005Data from Local System

      [Agrius](https://attack.mitre.org/groups/G1030) gathered data from database and other critical servers in victim environments, then used wiping mechanisms as an anti-analysis and anti-forensics mechanism.(Citation: Unit42 Agrius 2023)

    • T1074.001Data Staged: Local Data Staging

      [Agrius](https://attack.mitre.org/groups/G1030) has used the folder, <code>C:\\windows\\temp\\s\\</code>, to stage data for exfiltration.(Citation: Unit42 Agrius 2023)

    • T1119Automated Collection

      [Agrius](https://attack.mitre.org/groups/G1030) used a custom tool, <code>sql.net4.exe</code>, to query SQL databases and then identify and extract personally identifiable information.(Citation: Unit42 Agrius 2023)

    • T1560.001Archive Collected Data: Archive via Utility

      [Agrius](https://attack.mitre.org/groups/G1030) used 7zip to archive extracted data in preparation for exfiltration.(Citation: Unit42 Agrius 2023)

    TA0010

    Exfiltration

    • T1041Exfiltration Over C2 Channel

      [Agrius](https://attack.mitre.org/groups/G1030) exfiltrated staged data using tools such as Putty and WinSCP, communicating with command and control servers.(Citation: Unit42 Agrius 2023)

    TA0042

    Resource Development

    • T1583Acquire Infrastructure

      [Agrius](https://attack.mitre.org/groups/G1030) typically uses commercial VPN services for anonymizing last-hop traffic to victim networks, such as ProtonVPN.(Citation: SentinelOne Agrius 2021)

    TA0112

    Defense Impairment

    • T1685Disable or Modify Tools

      [Agrius](https://attack.mitre.org/groups/G1030) used several mechanisms to try to disable security tools. [Agrius](https://attack.mitre.org/groups/G1030) attempted to modify EDR-related services to disable auto-start on system reboot. [Agrius](https://attack.mitre.org/groups/G1030) used a publicly available driver, <code>GMER64.sys</code> typically used for anti-rootkit functionality, to selectively stop and remove security software processes.(Citation: Unit42 Agrius 2023)

    Recent victims

    DateWebsite / victimSectorCountry
    2021-12-18
    S
    Shirbit Insurance Company
    Financial Services
    2021-12-18
    K
    K.L.S Capital
    Financial Services
    2021-12-18
    C
    CyberServe Company
    Technology