Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/12/2023, 13:04

General

  • Target
    b5eca8a5f9790515401c077b2ae57e2c.exe
  • Size 58KB
  • Sample231220-qa7tjsgcb8
  • SHA256 1a5d5bda748db8582039245093ec3b64ab373463d2abb15c8d512235bf845bac
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 4 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\b5eca8a5f9790515401c077b2ae57e2c.exe
    "C:\Users\Admin\AppData\Local\Temp\b5eca8a5f9790515401c077b2ae57e2c.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\b5eca8a5f9790515401c077b2ae57e2c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3248
  • C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    1⤵
    • Runs ping.exe
    PID:748

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        MediaCenter.exe

        • Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        • Size 58KB
        • SHA256 f34d8dc9686d7644307d5b35f7d40fecc0b54b2f1b9e06ce7c3718beca8f46e4
        • MD5 SHA1 SHA512 SSDEEP

        memory/3424-0-0x0000000000400000-0x000000000041A000-memory.dmp

        memory/3424-6-0x0000000000400000-0x000000000041A000-memory.dmp

        memory/3424-12-0x0000000000400000-0x000000000041A000-memory.dmp

        memory/4520-5-0x0000000000400000-0x000000000041A000-memory.dmp

        memory/4520-7-0x0000000000400000-0x000000000041A000-memory.dmp

        memory/4520-17-0x0000000000400000-0x000000000041A000-memory.dmp