Analysis

  • max time kernel
    151s
  • max time network
    163s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    31-01-2022 01:12

General

  • Target

    8ad122388d4e0984b9319f04473010547b60e17b8406ba9eb541a97aca616de7.exe

  • Size

    89KB

  • MD5

    04f17c37259533e301b01a8c64e476e6

  • SHA1

    ed04cba2871e1c0a83beb00a4acb265fba24d1c7

  • SHA256

    8ad122388d4e0984b9319f04473010547b60e17b8406ba9eb541a97aca616de7

  • SHA512

    53f3ed1dee9412cb425d826c3703f0c37b2aab549be0c961ca4f33cca0b536a6913239c216ed4a47d93c2e223f4ebb37799a28273a478889b9c41f71afe47207

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • 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). Likely ransomware behaviour.

  • 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\8ad122388d4e0984b9319f04473010547b60e17b8406ba9eb541a97aca616de7.exe
    "C:\Users\Admin\AppData\Local\Temp\8ad122388d4e0984b9319f04473010547b60e17b8406ba9eb541a97aca616de7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8ad122388d4e0984b9319f04473010547b60e17b8406ba9eb541a97aca616de7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:420

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    c191d35746a183199abfc89099836dab

    SHA1

    9c2316613dafef4cacc0b5e8f1d9724fabf5c6a3

    SHA256

    83d972d7a0a22c8a18f54006301470b8e8c4d8573cb0fdef43e2fde6fcc0960c

    SHA512

    0c20eb212f9061c02cac61b5a0aec21825ef83143546cc1b0ebbd22cc28d3d67482c327727bd83bb5719aad17f6f7758cc95b9e82c042de5e97a83cf9c0d98e7

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

    MD5

    c191d35746a183199abfc89099836dab

    SHA1

    9c2316613dafef4cacc0b5e8f1d9724fabf5c6a3

    SHA256

    83d972d7a0a22c8a18f54006301470b8e8c4d8573cb0fdef43e2fde6fcc0960c

    SHA512

    0c20eb212f9061c02cac61b5a0aec21825ef83143546cc1b0ebbd22cc28d3d67482c327727bd83bb5719aad17f6f7758cc95b9e82c042de5e97a83cf9c0d98e7