Analysis

  • max time kernel
    163s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:55

General

  • Target

    0898d26bed7954662fb15e0cc8858c5d9d5ab62fba24942473f5949c136cff56.exe

  • Size

    60KB

  • MD5

    ae29bc8474133b1c21cdbb70ed9a6b5e

  • SHA1

    fa540dbb7d30c84a0b7216919075e80fe78b2c5a

  • SHA256

    0898d26bed7954662fb15e0cc8858c5d9d5ab62fba24942473f5949c136cff56

  • SHA512

    63166a18adff65752c5045436f1094bcbfab6f2c8254a55d7fc07a3c7312b02373bc1dbdf4dd9ead177a09e9c079326f345593bdfea992dd37617f9996e14ed1

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 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\0898d26bed7954662fb15e0cc8858c5d9d5ab62fba24942473f5949c136cff56.exe
    "C:\Users\Admin\AppData\Local\Temp\0898d26bed7954662fb15e0cc8858c5d9d5ab62fba24942473f5949c136cff56.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0898d26bed7954662fb15e0cc8858c5d9d5ab62fba24942473f5949c136cff56.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1804
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2860
  • 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:4032
  • 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:3344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    594d83e7ef3ae8850e3fc73b25d72537

    SHA1

    fbab408dfb5a87fc005d3ec50c23a10b5d463935

    SHA256

    75cf147366b4e8e7a6e7df8059d6089069902231515e2ca0a9432937436beb30

    SHA512

    d43bdfe903a1c9478913f26b8600fbb3fafeb7e6f9ffd5dac43bc0399fe9bef3a93bed672030320c1319e187fdfd02100247a934379f5f4548573057ffb3f2d7

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

    594d83e7ef3ae8850e3fc73b25d72537

    SHA1

    fbab408dfb5a87fc005d3ec50c23a10b5d463935

    SHA256

    75cf147366b4e8e7a6e7df8059d6089069902231515e2ca0a9432937436beb30

    SHA512

    d43bdfe903a1c9478913f26b8600fbb3fafeb7e6f9ffd5dac43bc0399fe9bef3a93bed672030320c1319e187fdfd02100247a934379f5f4548573057ffb3f2d7