Analysis

  • max time kernel
    164s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:45

General

  • Target

    0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe

  • Size

    216KB

  • MD5

    0c0c2cd9eaecd58cb47b98ca9a47d158

  • SHA1

    211a2d6610e0052d39d6a2e3f4ae942bd59ce272

  • SHA256

    0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec

  • SHA512

    ab809fc3c58e030505204d7e7d11a7e20945a335ac9fac79e232b34dd90490018cbc0d1626574ef454c18f6e4e8d27ead8fb58b9fd928d5d4ecf75af80fa81c0

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 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\0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe
    "C:\Users\Admin\AppData\Local\Temp\0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2616
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2240
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2924
  • 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:3740
  • 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:1048

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    af995d86c22f2e1733c62467eb461e62

    SHA1

    b5f1350ddb65c9c91be6d6f5acddf3ff8da87f41

    SHA256

    fb6d38c0360acaf6c19c0687ac21ad1c4cffe14885efa2ca6903e3deac06762e

    SHA512

    10f5ed50c386a7f3b9f55e05e5840dd55aa917ccad6333cf17ca664542f7293c268cd9eb872743b3f8ce9604a241d698e54631730bac532dcfceca65c378f514

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

    MD5

    af995d86c22f2e1733c62467eb461e62

    SHA1

    b5f1350ddb65c9c91be6d6f5acddf3ff8da87f41

    SHA256

    fb6d38c0360acaf6c19c0687ac21ad1c4cffe14885efa2ca6903e3deac06762e

    SHA512

    10f5ed50c386a7f3b9f55e05e5840dd55aa917ccad6333cf17ca664542f7293c268cd9eb872743b3f8ce9604a241d698e54631730bac532dcfceca65c378f514

  • memory/2616-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3888-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB