Analysis

  • max time kernel
    94s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2024, 02:55

General

  • Target
    ec78ca127cf207ac0b6e9e4f91ebf24ca2567077474eb41c752c3527a9a8eeed.exe
  • Size 92KB
  • Sample241127-def56stkey
  • SHA256 ec78ca127cf207ac0b6e9e4f91ebf24ca2567077474eb41c752c3527a9a8eeed
  • 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 family
  • Sakula payload 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\ec78ca127cf207ac0b6e9e4f91ebf24ca2567077474eb41c752c3527a9a8eeed.exe
    "C:\Users\Admin\AppData\Local\Temp\ec78ca127cf207ac0b6e9e4f91ebf24ca2567077474eb41c752c3527a9a8eeed.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ec78ca127cf207ac0b6e9e4f91ebf24ca2567077474eb41c752c3527a9a8eeed.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:752

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 f95b66180a143ad4b53c0b4843c33db5f6d9414f8bd364513d9b6cc49eba67c9
        • MD5 SHA1 SHA512 SSDEEP