Analysis

  • max time kernel
    172s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 10:36

General

  • Target

    06bd1dc33846dc49a26d4ffd83c0750c6927d1756682073a86ae49f4ab0aa278.exe

  • Size

    60KB

  • MD5

    62445e96c7cc3c8a7d53f96de17968bf

  • SHA1

    a912e166f72047c2a50a600a2535080f351dfa4f

  • SHA256

    06bd1dc33846dc49a26d4ffd83c0750c6927d1756682073a86ae49f4ab0aa278

  • SHA512

    59683b8d725cc3e5cb56e6083621fb80aca05cd1a67a9c8162217233ff2874df941f3407c74973ced8af453dda216183e5108f9fbf488fe4846dab634937c840

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 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\06bd1dc33846dc49a26d4ffd83c0750c6927d1756682073a86ae49f4ab0aa278.exe
    "C:\Users\Admin\AppData\Local\Temp\06bd1dc33846dc49a26d4ffd83c0750c6927d1756682073a86ae49f4ab0aa278.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2836
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06bd1dc33846dc49a26d4ffd83c0750c6927d1756682073a86ae49f4ab0aa278.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3548
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2904
  • 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:3900
  • 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:2512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    b34e51c4771e9b599fbfe1eae4567f4c

    SHA1

    ade70ca0abee807a99ff12e8c7af1e2312037cd1

    SHA256

    daffb52471e27829a23cbf8e0c1bd3f1468d97fa74ed86ed09e98e4e34887c98

    SHA512

    892e611da7fff00fc2ebe4bb8f6c5acb7f6148964f4d39370b73a13f6954f4a37fc08b788556aeb399c0916dd968c16a8989e3109c316fcf9d08d00cbd48618c

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

    b34e51c4771e9b599fbfe1eae4567f4c

    SHA1

    ade70ca0abee807a99ff12e8c7af1e2312037cd1

    SHA256

    daffb52471e27829a23cbf8e0c1bd3f1468d97fa74ed86ed09e98e4e34887c98

    SHA512

    892e611da7fff00fc2ebe4bb8f6c5acb7f6148964f4d39370b73a13f6954f4a37fc08b788556aeb399c0916dd968c16a8989e3109c316fcf9d08d00cbd48618c