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Analysis

  • max time kernel
    186s
  • max time network
    231s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2022, 22:42

General

  • Target

    d66f3d576d216843aa4a2aef507b16806ea325282ae0757c95d3d0ca51ad599b.exe

  • Size

    283KB

  • MD5

    8cb8710b7da5abf186990b0d20f9204a

  • SHA1

    361b362e201021c61c145f3ceee972b99217d135

  • SHA256

    d66f3d576d216843aa4a2aef507b16806ea325282ae0757c95d3d0ca51ad599b

  • SHA512

    76878d3447124456605a505de02d97710ac1c236b76bab7e1ab4ab70ffeceac6a3d466a562558f12762fe777147134c27589466e20f922cb2818dbd1bfb1a2f3

  • SSDEEP

    6144:3VuZKWcJp2gPf6CHcy2xU2/F6iadu6qSN44h+bXge5UX+JbAgS:wZup2gPyCbCy3rjN9+se5U

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d66f3d576d216843aa4a2aef507b16806ea325282ae0757c95d3d0ca51ad599b.exe
    "C:\Users\Admin\AppData\Local\Temp\d66f3d576d216843aa4a2aef507b16806ea325282ae0757c95d3d0ca51ad599b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Roaming\MPXMV.vbs
      2⤵
        PID:3624
      • C:\Users\Admin\AppData\Local\Temp\d66f3d576d216843aa4a2aef507b16806ea325282ae0757c95d3d0ca51ad599b.exe
        "C:\Users\Admin\AppData\Local\Temp\d66f3d576d216843aa4a2aef507b16806ea325282ae0757c95d3d0ca51ad599b.exe"
        2⤵
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3524
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\MPXMV.vbs"
        2⤵
        • Adds Run key to start application
        PID:4640

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\MPXMV.vbs

      Filesize

      601B

      MD5

      6026c5831b249215091f76faa06b01c2

      SHA1

      72ea0a0e03b1272691595cad9b005884c0b2e67d

      SHA256

      acebaefb5eac358e537b6d19d7f2baf138a598bd6a6fcb5827c9e41c47fd01f6

      SHA512

      e8f676d1e26072fa9d50a42549248e4e52ad418ecf2fac9e19f1fee2e7f622c0d6a97997c86194404cf4cf5730894dc1bdb38f78328b5b1ccdda24f2174dc8c9

    • memory/316-132-0x0000000074860000-0x0000000074E11000-memory.dmp

      Filesize

      5.7MB

    • memory/316-139-0x0000000074860000-0x0000000074E11000-memory.dmp

      Filesize

      5.7MB

    • memory/3524-135-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3524-138-0x0000000074860000-0x0000000074E11000-memory.dmp

      Filesize

      5.7MB

    • memory/3524-140-0x0000000074860000-0x0000000074E11000-memory.dmp

      Filesize

      5.7MB