Analysis

  • max time kernel
    162s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:39

General

  • Target

    14e3962f6852ea6b41d365bf369e03f0ef3db7306ae1e0c5243a3152a45f7e08.exe

  • Size

    58KB

  • MD5

    2cd1887f35425986b88c6ba6390f44aa

  • SHA1

    009071587453697414d27161a0dbf4c83ccb585e

  • SHA256

    14e3962f6852ea6b41d365bf369e03f0ef3db7306ae1e0c5243a3152a45f7e08

  • SHA512

    ffd268bd7cc2e52a275973e411e6434cdf7320c0da41d229eddd2a47488fead8743a6e9d89e7d92d8a3e4eb25fd915c692f26ab49b76c2744047305326b419b7

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\14e3962f6852ea6b41d365bf369e03f0ef3db7306ae1e0c5243a3152a45f7e08.exe
    "C:\Users\Admin\AppData\Local\Temp\14e3962f6852ea6b41d365bf369e03f0ef3db7306ae1e0c5243a3152a45f7e08.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2880
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14e3962f6852ea6b41d365bf369e03f0ef3db7306ae1e0c5243a3152a45f7e08.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3980
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2072
  • 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:540
  • 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:1900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    dc3cca2024c30ecadbb487b4926e63d6

    SHA1

    ae0822c30d0f499d20ea1655d864875950a0b0a7

    SHA256

    5854aaa08177edf083e0cdc754b1ad933ac6416e74e93ff43672916fbf545065

    SHA512

    985a584901948d497afc8ae0cb7ef9b188672b37871f2917c4a6cb1888786775e945bd03fe458d62d5557e1a2dd1b7b6b0bf5c54e7f958bac3c12f8b903a4b8c

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

    MD5

    dc3cca2024c30ecadbb487b4926e63d6

    SHA1

    ae0822c30d0f499d20ea1655d864875950a0b0a7

    SHA256

    5854aaa08177edf083e0cdc754b1ad933ac6416e74e93ff43672916fbf545065

    SHA512

    985a584901948d497afc8ae0cb7ef9b188672b37871f2917c4a6cb1888786775e945bd03fe458d62d5557e1a2dd1b7b6b0bf5c54e7f958bac3c12f8b903a4b8c