Analysis

  • max time kernel
    138s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 15:06

General

  • Target
    c707e190d65c58e8ea738388879202bc_JC.exe
  • Size 92KB
  • Sample231012-sg3vaafd4v
  • SHA256 6e4606db35e67d5c39dede0e0acae67b0fc150581d0268263dc0ac15cbd86aae
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • sakula

C2
  • www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      PID:4520
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        AdobeUpdate.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
        • Size 92KB
        • SHA256 04e14a13cdb90284522b037c7db0d09e4508ec9793b81a5da9d08b7ea3e709a0
        • MD5 SHA1 SHA512 SSDEEP

        AdobeUpdate.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
        • Size 92KB
        • SHA256 04e14a13cdb90284522b037c7db0d09e4508ec9793b81a5da9d08b7ea3e709a0
        • MD5 SHA1 SHA512 SSDEEP