Analysis

  • max time kernel
    177s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:44

General

  • Target

    14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe

  • Size

    216KB

  • MD5

    3d48f858531531962006cb4a93f9704c

  • SHA1

    c98fae213d566c1bd9506e635183a47599f7a497

  • SHA256

    14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280

  • SHA512

    9f2448ac2cb67b54cd95b132b297f1fd6aae82b6867f01e065597bad2feaf34198ec43642be9f20df626bbd617c233512c2858bc2359f511850dcf08d92b4e20

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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 4 IoCs

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

  • Modifies data under HKEY_USERS 49 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\14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe
    "C:\Users\Admin\AppData\Local\Temp\14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1912
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14ac5c52407b69f985f301c1f7f2462e9afc2af4b4680a5f715671d271cd0280.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3440
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:796
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1424
  • 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:3080
  • 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:2580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    d0474543d15c8b3e8dcda6b032fb52cc

    SHA1

    8908073f6c4b8ba8bd8e6fd76dede8ac6ccd20eb

    SHA256

    f9161a3354718b7a5e7fcab82d5fdeefe37c8e6227ecf7335bc18b1d74fed679

    SHA512

    ec23f75bc7486c147e09fc724c18708052af6f6bf408afaf931a5bcb21d97fbb66870f9dd68558148d61544a9913cab843264ac032d085b760d64bb90ea16108

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

    MD5

    d0474543d15c8b3e8dcda6b032fb52cc

    SHA1

    8908073f6c4b8ba8bd8e6fd76dede8ac6ccd20eb

    SHA256

    f9161a3354718b7a5e7fcab82d5fdeefe37c8e6227ecf7335bc18b1d74fed679

    SHA512

    ec23f75bc7486c147e09fc724c18708052af6f6bf408afaf931a5bcb21d97fbb66870f9dd68558148d61544a9913cab843264ac032d085b760d64bb90ea16108

  • memory/772-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB