Analysis

  • max time kernel
    4294193s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    23-03-2022 09:35

General

  • Target

    dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe

  • Size

    36KB

  • MD5

    c1742828c782abc124b3383573bc9099

  • SHA1

    34f145bdaa7c0cf0ce6535725cc88a4099badcf5

  • SHA256

    dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a

  • SHA512

    5249c3c9428cda5af61f8d62a44a12d222c1dfce49635e4db330350625da86921cb27f137e6382cb10f7fd05f089866df0c8315c79cee01a89b577980b12c36b

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe
    "C:\Users\Admin\AppData\Local\Temp\dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\dd97fc50c2d66e182adc190aaa8740f60df6d801bf221d69184032c62c44c89a.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1604

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    90b6f6f1b6d5fb1fb5e40cdda806589e

    SHA1

    f99dd90449a03da27d525b068bbcc9c6ba535aae

    SHA256

    7fbd323b596d4e6e9f1fc6aeb55b46223e04cbc71d647b225e04f04189166ce8

    SHA512

    c8028a084d02ed6d43d661652a08a7c43a86434376ed8b66c09eca759b9bfb69978b852af892fcb31d3e1166873766737a14a8e2a1096392e92432a30f5da559

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    90b6f6f1b6d5fb1fb5e40cdda806589e

    SHA1

    f99dd90449a03da27d525b068bbcc9c6ba535aae

    SHA256

    7fbd323b596d4e6e9f1fc6aeb55b46223e04cbc71d647b225e04f04189166ce8

    SHA512

    c8028a084d02ed6d43d661652a08a7c43a86434376ed8b66c09eca759b9bfb69978b852af892fcb31d3e1166873766737a14a8e2a1096392e92432a30f5da559

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    90b6f6f1b6d5fb1fb5e40cdda806589e

    SHA1

    f99dd90449a03da27d525b068bbcc9c6ba535aae

    SHA256

    7fbd323b596d4e6e9f1fc6aeb55b46223e04cbc71d647b225e04f04189166ce8

    SHA512

    c8028a084d02ed6d43d661652a08a7c43a86434376ed8b66c09eca759b9bfb69978b852af892fcb31d3e1166873766737a14a8e2a1096392e92432a30f5da559

  • memory/1408-60-0x0000000000000000-mapping.dmp
  • memory/1568-54-0x0000000075421000-0x0000000075423000-memory.dmp
    Filesize

    8KB

  • memory/1604-61-0x0000000000000000-mapping.dmp
  • memory/1620-57-0x0000000000000000-mapping.dmp