Analysis

  • max time kernel
    155s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:43

General

  • Target

    0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe

  • Size

    216KB

  • MD5

    77720b65804ea5243e399cbd4738862d

  • SHA1

    899df0b7ebbd5f45aafd973f2a1459fb9605edf2

  • SHA256

    0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482

  • SHA512

    f3505d79018b2c91beaa9b4b7a52a3400a809eef9e902b94ada76916d59b6216166ec03f135bb4c5d4cca846d6d4d4f353d0423920dd35a6b4b0e6e618fcfe70

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 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 55 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\0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe
    "C:\Users\Admin\AppData\Local\Temp\0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cc17e9fbafa35287231b91a146ed7cbdb38b84c04ac830d2c01b37c02f1e482.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2344
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3864
  • 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:3020
  • 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:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    dbc45dfc133472a15ce788a2d823a308

    SHA1

    83e181fb31afeb5024734e488782cddf130a6678

    SHA256

    c03ac168d7438bbd1c876527d37cfc067bd387a3142a1d8368ffd4b18c05a523

    SHA512

    ff35b9ca6a10cb7aa83db37dad3fe9d2e674e5e5931df07b3f4df23a90cc68694d7c7dae57ddec3c54a87aea642408c9da4fa0e93d6f8807891baf18971c28d7

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

    MD5

    dbc45dfc133472a15ce788a2d823a308

    SHA1

    83e181fb31afeb5024734e488782cddf130a6678

    SHA256

    c03ac168d7438bbd1c876527d37cfc067bd387a3142a1d8368ffd4b18c05a523

    SHA512

    ff35b9ca6a10cb7aa83db37dad3fe9d2e674e5e5931df07b3f4df23a90cc68694d7c7dae57ddec3c54a87aea642408c9da4fa0e93d6f8807891baf18971c28d7

  • memory/1132-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2056-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB