Analysis

  • max time kernel
    111s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 10:26

General

  • Target

    a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe

  • Size

    43KB

  • MD5

    46b602f05450a2b1fa29f3ebf0d7ef98

  • SHA1

    cea409e7ca2d6f300e95f370a94e6775bf48f096

  • SHA256

    a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede

  • SHA512

    edbc63388c25c112cc26b47f8e79b3a8f45245a605a3e4380cb528c612f99029586fb16f1eaf0220a3ef41cc9058b870a04e7e83d81dc0f153e56b00df971639

  • SSDEEP

    768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqG:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8U

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • 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
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe
    "C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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:2368
    • 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:5008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2824
      • 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:4752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    1e1523880bd42585d741d3a7fd588e70

    SHA1

    d448ffc308572f39a400275608bb09db4d474485

    SHA256

    96081054325510962e5e53f8221487acad5955a3444ca2e7164a2fcffd7a23bc

    SHA512

    503a46e9b80b90016c3f1cac69c141a2ab7bd7814b34244d7e8e4d6c1e929dbe33cf4cf6b89c64127215a7d497d6b97a4846be05d3a02661a67fadf74216f8a0

  • memory/2368-0-0x0000000000D60000-0x0000000000D7F000-memory.dmp

    Filesize

    124KB

  • memory/2368-6-0x0000000000D60000-0x0000000000D7F000-memory.dmp

    Filesize

    124KB

  • memory/2368-14-0x0000000000D60000-0x0000000000D7F000-memory.dmp

    Filesize

    124KB

  • memory/5008-4-0x0000000000ED0000-0x0000000000EEF000-memory.dmp

    Filesize

    124KB

  • memory/5008-8-0x0000000000ED0000-0x0000000000EEF000-memory.dmp

    Filesize

    124KB

  • memory/5008-20-0x0000000000ED0000-0x0000000000EEF000-memory.dmp

    Filesize

    124KB