Analysis

  • max time kernel
    168s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 05:56

General

  • Target

    114fabe3eda3611c007d79ddd114c5072259114aeea663be13e62a1488ed8b82.exe

  • Size

    104KB

  • MD5

    48216b739a8684eca32713c2b6e409b7

  • SHA1

    4b2b4bb76651c9a5195e1c3c5262768ca8551c3d

  • SHA256

    114fabe3eda3611c007d79ddd114c5072259114aeea663be13e62a1488ed8b82

  • SHA512

    028f5082eff2bf10537b8c25e6b4513b65cc0438ed09695618aea08b328406783c4624f402bc0b80196c2ed9423d84d3b42eb8151e9e5441c80f3abc4f365dbc

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\114fabe3eda3611c007d79ddd114c5072259114aeea663be13e62a1488ed8b82.exe
    "C:\Users\Admin\AppData\Local\Temp\114fabe3eda3611c007d79ddd114c5072259114aeea663be13e62a1488ed8b82.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3248
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3300
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\114fabe3eda3611c007d79ddd114c5072259114aeea663be13e62a1488ed8b82.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3304
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1836
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:2996
  • 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:2192
  • 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:3644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    2a175318179dd0dc4c6e0eca324f8f8b

    SHA1

    acce8410b20f1e8ddd982e44742ee85a2e2ef5ce

    SHA256

    bda9e5e886b90446f70a7772e32ba70cf9f1ee84bb83f40ea627cc84b5434a6f

    SHA512

    0e7fd7f0a90f199ff1c91dff03a1201fed3bf59b4b4ea2d27574ff71383f58639852da63511ccdc86e73d48ee5f2b63619cbf033a4a21404093a9da400b6e13e

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

    MD5

    2a175318179dd0dc4c6e0eca324f8f8b

    SHA1

    acce8410b20f1e8ddd982e44742ee85a2e2ef5ce

    SHA256

    bda9e5e886b90446f70a7772e32ba70cf9f1ee84bb83f40ea627cc84b5434a6f

    SHA512

    0e7fd7f0a90f199ff1c91dff03a1201fed3bf59b4b4ea2d27574ff71383f58639852da63511ccdc86e73d48ee5f2b63619cbf033a4a21404093a9da400b6e13e