Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:13

General

  • Target

    0ab02c53191b28a3b4fe57ebdabfa8d69fa944fdc8835bef16badbad429e3178.exe

  • Size

    176KB

  • MD5

    758ecf903ddfd664d988aa47f41423b0

  • SHA1

    e9ac141abc5bad848f87d16f2d9040d5010533de

  • SHA256

    0ab02c53191b28a3b4fe57ebdabfa8d69fa944fdc8835bef16badbad429e3178

  • SHA512

    a4336fe6b251a26a8a12d55aa961297447e9e89c46867976206df220e95d03f0e2bfbbef1b86a905191aea0a30d33812cc6a9fd292a35f818f921ad1c6eb1120

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 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 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\0ab02c53191b28a3b4fe57ebdabfa8d69fa944fdc8835bef16badbad429e3178.exe
    "C:\Users\Admin\AppData\Local\Temp\0ab02c53191b28a3b4fe57ebdabfa8d69fa944fdc8835bef16badbad429e3178.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2196
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ab02c53191b28a3b4fe57ebdabfa8d69fa944fdc8835bef16badbad429e3178.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1332
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:644
  • 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:1896
  • 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:3492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    259079026db90856ed530f93c5193aa0

    SHA1

    60cf23843dafe7829507620dcadf305d6f985f28

    SHA256

    11261d89d93a5ce0b708a3fb1643c44a247be692b2ccfd14a24a8b60d0f73e55

    SHA512

    809313ac1933a56fca4907665725f684fa94d0948ca50b05348e6072feb8a6e297a65f92d7340bd28ddbc692fde001c43d274e05833b5bc1a5161a599daa1601

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

    259079026db90856ed530f93c5193aa0

    SHA1

    60cf23843dafe7829507620dcadf305d6f985f28

    SHA256

    11261d89d93a5ce0b708a3fb1643c44a247be692b2ccfd14a24a8b60d0f73e55

    SHA512

    809313ac1933a56fca4907665725f684fa94d0948ca50b05348e6072feb8a6e297a65f92d7340bd28ddbc692fde001c43d274e05833b5bc1a5161a599daa1601

  • memory/1888-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2196-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB