Analysis

  • max time kernel
    153s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 13:20

General

  • Target

    f022fd6c5c647b58cc4e31d6e19b210eeb689d84b6c5a1eacfede18952b7f264.exe

  • Size

    89KB

  • MD5

    8b3de46ecb113cd1ee2d9ec46527358f

  • SHA1

    7727b339e73930ab8ffa90e19f6cf7a9d8981e41

  • SHA256

    f022fd6c5c647b58cc4e31d6e19b210eeb689d84b6c5a1eacfede18952b7f264

  • SHA512

    8e072960e7f7f4c0340cb0140219c6a2ff73c39f6fc0a75929724e494d43b17d8d4c7dc4900b55fc4ebf2b4b9551392f8a7a28ce117970a73f31cd0af09eacf5

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\f022fd6c5c647b58cc4e31d6e19b210eeb689d84b6c5a1eacfede18952b7f264.exe
    "C:\Users\Admin\AppData\Local\Temp\f022fd6c5c647b58cc4e31d6e19b210eeb689d84b6c5a1eacfede18952b7f264.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3172
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\f022fd6c5c647b58cc4e31d6e19b210eeb689d84b6c5a1eacfede18952b7f264.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3696

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    ccdfc44843d71c41df01faf188450a45

    SHA1

    6054feee3ec859991647e897516b80c4c9de273d

    SHA256

    fecf2d6124f44d22fb28654fd928da783a69d3aa88f56fc21fa091ddbe41c43d

    SHA512

    0380e2173eaffaf4ca0b6f6d73a550795e2083670a4e7a9bfd07316c4c8c54e7ca0daf33a72bff8985fd9df4efeb6341c237c2603f4303b42c7155d2176a8c2b

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

    MD5

    ccdfc44843d71c41df01faf188450a45

    SHA1

    6054feee3ec859991647e897516b80c4c9de273d

    SHA256

    fecf2d6124f44d22fb28654fd928da783a69d3aa88f56fc21fa091ddbe41c43d

    SHA512

    0380e2173eaffaf4ca0b6f6d73a550795e2083670a4e7a9bfd07316c4c8c54e7ca0daf33a72bff8985fd9df4efeb6341c237c2603f4303b42c7155d2176a8c2b