Analysis

  • max time kernel
    164s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:44

General

  • Target

    0cc0bc48fc0606a1b9ac574fc2797d7793565c5ebe4a9dff304b5b1388011247.exe

  • Size

    101KB

  • MD5

    3cd70a92e68e822b0f97a38952f0e737

  • SHA1

    ec54381764ed3e0d0cec868c1146dd30397c7a65

  • SHA256

    0cc0bc48fc0606a1b9ac574fc2797d7793565c5ebe4a9dff304b5b1388011247

  • SHA512

    8d1cc115b0f8d0dd0a57aa562416e75d052f7589400ec0b1073e1cfd39f3a5597b765d59611555c3594f2822d7ee17a3b25f088b0f9d735f59db14aa493ef38e

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cc0bc48fc0606a1b9ac574fc2797d7793565c5ebe4a9dff304b5b1388011247.exe
    "C:\Users\Admin\AppData\Local\Temp\0cc0bc48fc0606a1b9ac574fc2797d7793565c5ebe4a9dff304b5b1388011247.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2900
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cc0bc48fc0606a1b9ac574fc2797d7793565c5ebe4a9dff304b5b1388011247.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3144
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2152
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3244
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    f72ee6d64714c8ce472b72f959d9c2c0

    SHA1

    2b2cb07d101f8fe4aa7e727d9abad226933eb4e1

    SHA256

    dffd16a5e60f12ef8695b25e19136a6e89ef1ec21d79f582822d138763afe413

    SHA512

    6e40fa060bdb5375a40dda8bafe7ce0696ad002ccc7325b07a918b2cfbdb195d0bec098a8b49d4cb31d6646e8889735b76e37162e13416d2d6e7d54a8ddf4b49

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

    MD5

    f72ee6d64714c8ce472b72f959d9c2c0

    SHA1

    2b2cb07d101f8fe4aa7e727d9abad226933eb4e1

    SHA256

    dffd16a5e60f12ef8695b25e19136a6e89ef1ec21d79f582822d138763afe413

    SHA512

    6e40fa060bdb5375a40dda8bafe7ce0696ad002ccc7325b07a918b2cfbdb195d0bec098a8b49d4cb31d6646e8889735b76e37162e13416d2d6e7d54a8ddf4b49