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Analysis

  • max time kernel
    111s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2025, 09:26

General

  • Target

    828fe990bf5f2a6bc95e105b306ddc922d08ec558ccc622c842687686aae88e5.exe

  • Size

    43KB

  • MD5

    91f7ac93c9f17621e40244f38750f346

  • SHA1

    534779a8c74ea87b773781302e2b9b9e4f2fe0c1

  • SHA256

    828fe990bf5f2a6bc95e105b306ddc922d08ec558ccc622c842687686aae88e5

  • SHA512

    8c5346b30dac6cf31750f3d63769aaca6b8dd2945f4ddb736f96d6ed0f81a89255e752dc1d161b825f0e92d4c11047748cd7d1e875ec011ac87d256b3ea4dd1f

  • SSDEEP

    768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqa:+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\828fe990bf5f2a6bc95e105b306ddc922d08ec558ccc622c842687686aae88e5.exe
    "C:\Users\Admin\AppData\Local\Temp\828fe990bf5f2a6bc95e105b306ddc922d08ec558ccc622c842687686aae88e5.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:2076
    • 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:1016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\828fe990bf5f2a6bc95e105b306ddc922d08ec558ccc622c842687686aae88e5.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3988
      • 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:4552

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

    37eea3c08477097be9e3dc872fde0920

    SHA1

    15e97f318a8fe0110d1b8c308aeae75c538f7f52

    SHA256

    c8e5643b2bf5f2761a81c3ee16b68d785d6a840fdc7e1a7b8ad71e43cd71da1e

    SHA512

    3df0d0155de90983de7c3eea09dc5bc70a8885b7480ddb59b07c642c64ea7cb523af6a37c2a026b7667c2dc35cc855c92fef4565891b9ba0ac27bb3c1a14c64e

  • memory/1016-4-0x0000000000F50000-0x0000000000F6F000-memory.dmp

    Filesize

    124KB

  • memory/1016-8-0x0000000000F50000-0x0000000000F6F000-memory.dmp

    Filesize

    124KB

  • memory/1016-18-0x0000000000F50000-0x0000000000F6F000-memory.dmp

    Filesize

    124KB

  • memory/2076-0-0x0000000000480000-0x000000000049F000-memory.dmp

    Filesize

    124KB

  • memory/2076-6-0x0000000000480000-0x000000000049F000-memory.dmp

    Filesize

    124KB

  • memory/2076-14-0x0000000000480000-0x000000000049F000-memory.dmp

    Filesize

    124KB