Analysis

  • max time kernel
    162s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:38

General

  • Target

    0972d87b9bbca3bef7654ddb0d8345a5fce38b948a11930a6f4230071e18ab91.exe

  • Size

    36KB

  • MD5

    60d200dbaac19379a4af14c712f95289

  • SHA1

    3b17416b85e9375533504a49877c77a79922865d

  • SHA256

    0972d87b9bbca3bef7654ddb0d8345a5fce38b948a11930a6f4230071e18ab91

  • SHA512

    8c2933421d751530ca955e231b533fd3328908f9f39b760a3045285d0300ccdc3cf030544521ec82486ce2e579b39ec978d3c16282742e61ac5d63cc268de8a3

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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\0972d87b9bbca3bef7654ddb0d8345a5fce38b948a11930a6f4230071e18ab91.exe
    "C:\Users\Admin\AppData\Local\Temp\0972d87b9bbca3bef7654ddb0d8345a5fce38b948a11930a6f4230071e18ab91.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2572
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0972d87b9bbca3bef7654ddb0d8345a5fce38b948a11930a6f4230071e18ab91.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3524
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1144
  • 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:8
  • 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:2360

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    d7980daedb6acb1f8c3aa2846a6091c0

    SHA1

    70e795d99a5a78e9e0cf0f21cb1e49ff09f2b104

    SHA256

    1017443e1ba874e552090314cc500dc00a2496c9d25cd07fb843234422207306

    SHA512

    cfc1798fee69eb21cf0ba2a9354ced19bbbe93b944ec27986953d8976bdc99ed8c7f1bb880a512088bd6b08f0aad23e8f8781fd297a613d283fa45cce9126379

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    d7980daedb6acb1f8c3aa2846a6091c0

    SHA1

    70e795d99a5a78e9e0cf0f21cb1e49ff09f2b104

    SHA256

    1017443e1ba874e552090314cc500dc00a2496c9d25cd07fb843234422207306

    SHA512

    cfc1798fee69eb21cf0ba2a9354ced19bbbe93b944ec27986953d8976bdc99ed8c7f1bb880a512088bd6b08f0aad23e8f8781fd297a613d283fa45cce9126379