Analysis

  • max time kernel
    163s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 08:00

General

  • Target

    0c00e6751b674fd87b4795f287a1d3a426efb848c34d46112661b1a04e899a5a.exe

  • Size

    192KB

  • MD5

    cd9ade9e3b0a2a7548840f32740f1db3

  • SHA1

    74f1caddda2712f57783ba20f6f883780922225c

  • SHA256

    0c00e6751b674fd87b4795f287a1d3a426efb848c34d46112661b1a04e899a5a

  • SHA512

    ae323bf64536605ce4ff0b50d096b7c492640e202832757fa1d029551e496a3b03e484e26c611fd3ca1d69008166846621a5abda47de9615db71502281628fe4

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 53 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\0c00e6751b674fd87b4795f287a1d3a426efb848c34d46112661b1a04e899a5a.exe
    "C:\Users\Admin\AppData\Local\Temp\0c00e6751b674fd87b4795f287a1d3a426efb848c34d46112661b1a04e899a5a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c00e6751b674fd87b4795f287a1d3a426efb848c34d46112661b1a04e899a5a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4056
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:384
  • 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:3000
  • 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:3312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    45a9da475b1ae8109b3191667142931d

    SHA1

    98fa55adf488881ce3693280d118e6a7fc3fb62d

    SHA256

    96fca700f4b9a20d63d349d922691ea585c09ec1bfa5c7313ccaae9d8817aa8d

    SHA512

    b61bca0cd65dba32177141071f1350270f742c5b9eb4da4533dc4db47c9d4f7bdf00755a77804762a3e24c72c13b497793bc9f57abd71e75e3ef58f0cf68be6e

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

    MD5

    45a9da475b1ae8109b3191667142931d

    SHA1

    98fa55adf488881ce3693280d118e6a7fc3fb62d

    SHA256

    96fca700f4b9a20d63d349d922691ea585c09ec1bfa5c7313ccaae9d8817aa8d

    SHA512

    b61bca0cd65dba32177141071f1350270f742c5b9eb4da4533dc4db47c9d4f7bdf00755a77804762a3e24c72c13b497793bc9f57abd71e75e3ef58f0cf68be6e