Analysis

  • max time kernel
    178s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 03:53

General

  • Target

    168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe

  • Size

    216KB

  • MD5

    dde9d37e90bbe1e5b668c37c63036d93

  • SHA1

    95d0390bfafe6420e3ea29b87d1ba2507a23d7cc

  • SHA256

    168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e

  • SHA512

    7908eaee7e8cdfc7e15ea23dfa62fb3a7e002b1828e0affb8fa285ed0a9806d14f1132ff9cbb594024ac66a206f77002da94934863108e4d1fa364da1466582b

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\168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe
    "C:\Users\Admin\AppData\Local\Temp\168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2396
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3324
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3800
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3344
  • 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:1472
  • 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:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    b0e683f4ecef4e99264dcb8a896aa757

    SHA1

    f0daa0dc40d68d91b355e67e2d83ac8d3d84e511

    SHA256

    c3e9e389eed768e591b5db86745df8245cbf6e0b81de61f6e2ce5d8e177ff29f

    SHA512

    1133923e3819ed71708b602707b720893186dba33a49af6f1b095aba754c754059d767b410020c94a4a29f19d0ebabe9857604312ca2a99cbba857f416edd0dd

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

    MD5

    b0e683f4ecef4e99264dcb8a896aa757

    SHA1

    f0daa0dc40d68d91b355e67e2d83ac8d3d84e511

    SHA256

    c3e9e389eed768e591b5db86745df8245cbf6e0b81de61f6e2ce5d8e177ff29f

    SHA512

    1133923e3819ed71708b602707b720893186dba33a49af6f1b095aba754c754059d767b410020c94a4a29f19d0ebabe9857604312ca2a99cbba857f416edd0dd

  • memory/2396-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4036-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB