Analysis

  • max time kernel
    154s
  • max time network
    176s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 20:06

General

  • Target

    d1165f7914c25f767162481faa500e256eef178486d039a5ddd1e8edd9c4f5f8.exe

  • Size

    89KB

  • MD5

    43e6a46d8789e1563e94ff17eff486d7

  • SHA1

    1dff74e9845b6eb444f9cae907a582a0e1929125

  • SHA256

    d1165f7914c25f767162481faa500e256eef178486d039a5ddd1e8edd9c4f5f8

  • SHA512

    8baccf59f9efc61cee29569f363b096ec1a6c385bb2856d8302c3dec40fbdedbe05d72e3a731aadcef642206583bfff562e003467f7def5d3cfa5443752b3320

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\d1165f7914c25f767162481faa500e256eef178486d039a5ddd1e8edd9c4f5f8.exe
    "C:\Users\Admin\AppData\Local\Temp\d1165f7914c25f767162481faa500e256eef178486d039a5ddd1e8edd9c4f5f8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1028
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\d1165f7914c25f767162481faa500e256eef178486d039a5ddd1e8edd9c4f5f8.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4076
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    17b8b8071fd0d33615608c893f4ab8e2

    SHA1

    c152db601757428febf015a393f97b24f699bd34

    SHA256

    a08a4ab0c9fcae216a26835b5a9e609bd6cfd52d72512dffae6af43b355e6cd3

    SHA512

    8461e8c351af431bf6abcfa325c47b608e1c36a44ee2689c5c8c9448c6fc81375f381a0c161132da67ed83000991fe19b1b93e321cf36f43b7df1638c53f0cde

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

    MD5

    17b8b8071fd0d33615608c893f4ab8e2

    SHA1

    c152db601757428febf015a393f97b24f699bd34

    SHA256

    a08a4ab0c9fcae216a26835b5a9e609bd6cfd52d72512dffae6af43b355e6cd3

    SHA512

    8461e8c351af431bf6abcfa325c47b608e1c36a44ee2689c5c8c9448c6fc81375f381a0c161132da67ed83000991fe19b1b93e321cf36f43b7df1638c53f0cde