Analysis

  • max time kernel
    160s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:42

General

  • Target

    0ccd5c2864ef127e5cb04698e579d86f39a6224725821228a66dbf4aeb9acccd.exe

  • Size

    80KB

  • MD5

    756ea978445a31ce5ba405807e7ef363

  • SHA1

    b358f3f94fcb56307cf517d3888dcb1af7cbba2d

  • SHA256

    0ccd5c2864ef127e5cb04698e579d86f39a6224725821228a66dbf4aeb9acccd

  • SHA512

    4ae5a04494a29edbd185ee7f45309b63df6776705eb164eefab3f3d98e62f7fa30233cdc2bc36388f212e544840100ba70b69b282499d8f605bb07643e27df2c

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 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\0ccd5c2864ef127e5cb04698e579d86f39a6224725821228a66dbf4aeb9acccd.exe
    "C:\Users\Admin\AppData\Local\Temp\0ccd5c2864ef127e5cb04698e579d86f39a6224725821228a66dbf4aeb9acccd.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2628
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ccd5c2864ef127e5cb04698e579d86f39a6224725821228a66dbf4aeb9acccd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3708
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3724
  • 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:2484
  • 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:3652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    cd6d989ee6f84c045a613678c7294f5c

    SHA1

    499a2f111d898243cbc4419b5525af2893023817

    SHA256

    49d248b06ef8e3b432abdda8fd21abffb2aad3d66d8974f6dea89f47bf62e086

    SHA512

    4ecc323cde108f1008206b8901907ff146245fc43573808408b69c96637e551be687e61472f8433fa4a9e320117bdfb93cef71e7713673790a0b0c55ddc18911

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

    MD5

    cd6d989ee6f84c045a613678c7294f5c

    SHA1

    499a2f111d898243cbc4419b5525af2893023817

    SHA256

    49d248b06ef8e3b432abdda8fd21abffb2aad3d66d8974f6dea89f47bf62e086

    SHA512

    4ecc323cde108f1008206b8901907ff146245fc43573808408b69c96637e551be687e61472f8433fa4a9e320117bdfb93cef71e7713673790a0b0c55ddc18911