Analysis

  • max time kernel
    170s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:53

General

  • Target

    0c6d3362db685fa829299bd2a3479b61376036194d1f1abcc4432af5cbb3ce92.exe

  • Size

    192KB

  • MD5

    3ba95ab150863862d92dcb296375411d

  • SHA1

    e237980eb3897104d3089d6b9bb22e79cb345357

  • SHA256

    0c6d3362db685fa829299bd2a3479b61376036194d1f1abcc4432af5cbb3ce92

  • SHA512

    9fd8a350c51f4ae62dda2b35d29435db3dd2e7e4564907263f924eee7806fc23218075297773967a04cf1b5aee2c34c42bc604ee36d7fda55f1a63399798bff1

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 56 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\0c6d3362db685fa829299bd2a3479b61376036194d1f1abcc4432af5cbb3ce92.exe
    "C:\Users\Admin\AppData\Local\Temp\0c6d3362db685fa829299bd2a3479b61376036194d1f1abcc4432af5cbb3ce92.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1040
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c6d3362db685fa829299bd2a3479b61376036194d1f1abcc4432af5cbb3ce92.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:764
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1492
  • 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:3460
  • 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:3248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    d1dbf6226fe79d7e183417027b61edbc

    SHA1

    10a2cecfc2e1295404b17729a4fdd466e3ba6864

    SHA256

    abfe0601bbe592aa5e62656a434c5b2d9b091ca758632d3f696b477841e60565

    SHA512

    86ea605cc644f6427182403d47fdaf2cc837c0f84d72f668a587016985c15efa0398b4e4b192b9890480cc96bee6125ee148342a181a076cae864801d5eda3d6

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

    MD5

    d1dbf6226fe79d7e183417027b61edbc

    SHA1

    10a2cecfc2e1295404b17729a4fdd466e3ba6864

    SHA256

    abfe0601bbe592aa5e62656a434c5b2d9b091ca758632d3f696b477841e60565

    SHA512

    86ea605cc644f6427182403d47fdaf2cc837c0f84d72f668a587016985c15efa0398b4e4b192b9890480cc96bee6125ee148342a181a076cae864801d5eda3d6