Analysis

  • max time kernel
    159s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 08:26

General

  • Target

    0b08fb812a39ec9ece2c5726a11978f36e6ef7af1ca892c6361a24473894daf0.exe

  • Size

    36KB

  • MD5

    3093ab14413fe8c4fff07cefa606ee60

  • SHA1

    e737188fbbd11fc11d6c7bc61946115db28dc72c

  • SHA256

    0b08fb812a39ec9ece2c5726a11978f36e6ef7af1ca892c6361a24473894daf0

  • SHA512

    8f98886f38c8101700727ded5009799a7c99277dc053cddf8323fd8f41baa25edb4c69c86f589ce21a4f13722ab58634e722b398be5607d668e0d7750f25a17e

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 51 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\0b08fb812a39ec9ece2c5726a11978f36e6ef7af1ca892c6361a24473894daf0.exe
    "C:\Users\Admin\AppData\Local\Temp\0b08fb812a39ec9ece2c5726a11978f36e6ef7af1ca892c6361a24473894daf0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b08fb812a39ec9ece2c5726a11978f36e6ef7af1ca892c6361a24473894daf0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2792
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1152
  • 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:3168
  • 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:1676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    62c6ce7815cb15056c4303f07b702613

    SHA1

    98ed026432198f625d8dd04447ec78c992c6d35b

    SHA256

    9e543b2c72566073a644c4be7e391d22a94e77759392cebfd22a78a95f5544f9

    SHA512

    c443ee53a5350bf5c247eb96daaee3d8ad24a5ac61a7c71f6f27a93512d62c3b6b27813acb721a9403a11150a7268d191623f21d049968e885bc53547f92e99e

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

    62c6ce7815cb15056c4303f07b702613

    SHA1

    98ed026432198f625d8dd04447ec78c992c6d35b

    SHA256

    9e543b2c72566073a644c4be7e391d22a94e77759392cebfd22a78a95f5544f9

    SHA512

    c443ee53a5350bf5c247eb96daaee3d8ad24a5ac61a7c71f6f27a93512d62c3b6b27813acb721a9403a11150a7268d191623f21d049968e885bc53547f92e99e