Analysis

  • max time kernel
    106s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 19:48

General

  • Target

    b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe

  • Size

    3.6MB

  • MD5

    1cc7c63af4eb7e2c5463c1f7f6dc8e40

  • SHA1

    197ef0e34d392ebd7b3aa7cc38836064be833d4c

  • SHA256

    b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137

  • SHA512

    97635987be402ed195a9d790fcc0b59b3b7c41a45dfd2448e0d03394b817e98daff41a0da6ccd5031d4ea8501648f0a74e4f9863eab66d528b322460aa0f6273

  • SSDEEP

    49152:o852ZjeUNZZH46HsnHVT5ZA+acdD6xXTI8:oU6eUNZZJHsHu

Malware Config

Extracted

Family

sakula

C2

www.polarroute.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\b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe
    "C:\Users\Admin\AppData\Local\Temp\b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.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:4116
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3136
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3580
      • 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:4888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    3.6MB

    MD5

    4c7c07eaabe9455d2cfe77ef94784c1f

    SHA1

    0949fa6b7fc02f970a7112ad84228a5f094c0d42

    SHA256

    1086114231362b1539d44892dc8c4289a8d24514b051d9b7361cf351725c9d59

    SHA512

    bc6acb6b4d77342436d871858037543a9eec2d051373e56ce045d6a4241ea7193c4fd8fc378e38ed5297575d43d4ccb97cfeda2afae65cdd1d91ca7224034af3