Analysis

  • max time kernel
    163s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:15

General

  • Target

    0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe

  • Size

    99KB

  • MD5

    d20d2421f2e32c2d6f3d5ca073987dc0

  • SHA1

    bfb31fdf9f5ec43714880b0992e1f498a06934be

  • SHA256

    0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc

  • SHA512

    4919c0ca0e0067628347e530edb9ed6a7d9d79b9e10ebc381f42de9d5b248f688b7b462c09698698e337d7791b6c82db7246de26aaf9a7870dcc677580461879

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 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 49 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\0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe
    "C:\Users\Admin\AppData\Local\Temp\0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e19fce1013411dda23ff9000e62f27a9f06c1d8bbfa78cd27dcfc72d64efdbc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1908
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2708
  • 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:2592
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3084
  • 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:2188

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    d7456ae7d1cd4f75b1d394097ce016aa

    SHA1

    92a9581cd5d221f6affa9dc02dcaf8362f8f489f

    SHA256

    d5642fb4a07658b9f5e1e07aa0f849a08a588f0d03f439f983b05fa0457840e8

    SHA512

    d4601ba1034e41eb3783f92a8b9acad1f93b7ad00070ad82890170e5c3f71598a0718eb282dc90bc0ea08e3ce36204c9161aad040c3d5d4504c6ff10ce536910

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

    MD5

    d7456ae7d1cd4f75b1d394097ce016aa

    SHA1

    92a9581cd5d221f6affa9dc02dcaf8362f8f489f

    SHA256

    d5642fb4a07658b9f5e1e07aa0f849a08a588f0d03f439f983b05fa0457840e8

    SHA512

    d4601ba1034e41eb3783f92a8b9acad1f93b7ad00070ad82890170e5c3f71598a0718eb282dc90bc0ea08e3ce36204c9161aad040c3d5d4504c6ff10ce536910