Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 14:36

General

  • Target
    d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
  • Size 1.5MB
  • Sample240908-ryjbjatdmc
  • SHA256 8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 41.1

Botnet
  • 921

C2
  • https://mas.to/@bardak1ho

Attributes
  • profile_id

    921

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 160
        3⤵
        • Program crash
        PID:2256

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AgileDotNetRT.dll

        • Path C:\Users\Admin\AppData\Local\Temp\9fcb5626-ecc1-422b-9975-65e4c1e36203\AgileDotNetRT.dll
        • Size 140KB
        • SHA256 55ff1e0a4e5866d565ceeb9baafac73fdcb4464160fc6c78104d935009935cd7
        • MD5 SHA1 SHA512 SSDEEP

        memory/2540-23-0x00000000745C0000-0x00000000745E8000-memory.dmp

        memory/2540-1-0x0000000001240000-0x00000000013D2000-memory.dmp

        memory/2540-5-0x0000000074940000-0x000000007502E000-memory.dmp

        memory/2540-9-0x00000000745C0000-0x00000000745E8000-memory.dmp

        memory/2540-10-0x00000000747C0000-0x0000000074840000-memory.dmp

        memory/2540-11-0x00000000009F0000-0x0000000000A0C000-memory.dmp

        memory/2540-22-0x0000000074940000-0x000000007502E000-memory.dmp

        memory/2540-0-0x000000007494E000-0x000000007494F000-memory.dmp

        memory/2884-13-0x0000000000400000-0x00000000004D7000-memory.dmp

        memory/2884-19-0x0000000000400000-0x00000000004D7000-memory.dmp

        memory/2884-21-0x0000000000400000-0x00000000004D7000-memory.dmp

        memory/2884-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2884-15-0x0000000000400000-0x00000000004D7000-memory.dmp

        memory/2884-14-0x0000000000400000-0x00000000004D7000-memory.dmp

        memory/2884-12-0x0000000000400000-0x00000000004D7000-memory.dmp