Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2025, 11:09

General

  • Target

    2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe

  • Size

    780KB

  • MD5

    7ad31c28848f1ff2193f807cb3deaaf9

  • SHA1

    ed58fcebec0ecb5921a3a8f8e1a1647cddfefcfb

  • SHA256

    013425ffb967f37556591d596ac033ae3a7ad466c512c32685e0cd960fbe670f

  • SHA512

    7fd16fd547c86f34f1591bdd2cefc4fb42d6893611e43050519f09e6661a3c02404d308aa4d886e3a2b44859e96700ca1603dd636a631ebcd0dcea3fe733a5a0

  • SSDEEP

    24576:VHHiWcxah9JB/OrWaQ47IbQuLVUpuWsZo:VHHiXahLBWrW58uLVU/sG

Malware Config

Signatures

  • DarkVision Rat

    DarkVision Rat is a trojan written in C++.

  • Darkvision family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-07_7ad31c28848f1ff2193f807cb3deaaf9_black-basta_cobalt-strike_satacom.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Documents\App'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3520
    • C:\Users\Admin\Documents\App\000001240029.exe
      "C:\Users\Admin\Documents\App\000001240029.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5388
      • C:\Users\Admin\AppData\Roaming\defender\defender.exe
        "C:\Users\Admin\AppData\Roaming\defender\defender.exe" {D21DBE81-1D94-4C51-8C7C-553B348C2AB9}
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        PID:1520
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\App\000001240029.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\Documents\App\000001240029.exe
      C:\Users\Admin\Documents\App\000001240029.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Users\Admin\AppData\Roaming\defender\defender.exe
        "C:\Users\Admin\AppData\Roaming\defender\defender.exe" {D21DBE81-1D94-4C51-8C7C-553B348C2AB9}
        3⤵
        • Executes dropped EXE
        PID:3660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3jxgosg.iue.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\Documents\App\000001240029.exe

    Filesize

    489KB

    MD5

    15fd5c7d27c1159f2e0b3d5390cc7ec5

    SHA1

    2aa47c93a9f39d4972354c7aa7364bd872063bc8

    SHA256

    ed8c6b20e7465732decc3cf2ea073eea6d4915bcfd3ca5546847489153917f0e

    SHA512

    86c22f92afa6f4d13bade402f77903b81f2a302103a784aceced83c631cd2e8d67d531a40a512cf0b0eb52e7cddf71a555c80680add1f77f68d3d884637b1802

  • memory/3520-0-0x00007FF90E173000-0x00007FF90E175000-memory.dmp

    Filesize

    8KB

  • memory/3520-1-0x000001BA6B410000-0x000001BA6B432000-memory.dmp

    Filesize

    136KB

  • memory/3520-11-0x00007FF90E170000-0x00007FF90EC31000-memory.dmp

    Filesize

    10.8MB

  • memory/3520-12-0x00007FF90E170000-0x00007FF90EC31000-memory.dmp

    Filesize

    10.8MB

  • memory/3520-15-0x00007FF90E170000-0x00007FF90EC31000-memory.dmp

    Filesize

    10.8MB