Analysis

  • max time kernel
    173s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:52

General

  • Target

    142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe

  • Size

    168KB

  • MD5

    044841c68c96497858ee1c48c5b410fc

  • SHA1

    ada51df0accce321a5da036a76090326875aef35

  • SHA256

    142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4

  • SHA512

    c96a9790ccad7e9db17a4d3033bfc439039faa9e2af0bbfe0aaebcfe83b901602afb82d2880389f36d12fa359c59d30bb9714239aded20368d6b43524743cfe2

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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\142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe
    "C:\Users\Admin\AppData\Local\Temp\142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\142c0149eddf00a2e3057f478d6050ef7a05f639aad8af3daebff2e4b1076bd4.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2164
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1784
  • 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:1216
  • 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:1848

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    6bfa59efa6e21ecc5eb59fb6de21828b

    SHA1

    2fb262b9d183dbe5c3cfe873d06b56040f0f2395

    SHA256

    69a5756346bd79a7701bc24dfa24a5724795ca2f2e56e054b16e31fc8cd968e4

    SHA512

    f15afcccdf37217be38a467d3b81ca8d09d8da51d5fc0e5de3e1c8fd44d714f4007a9e4a44558789fdbbbdcf4f6936d78306b895b340d35b801d1a4b025633c5

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

    MD5

    6bfa59efa6e21ecc5eb59fb6de21828b

    SHA1

    2fb262b9d183dbe5c3cfe873d06b56040f0f2395

    SHA256

    69a5756346bd79a7701bc24dfa24a5724795ca2f2e56e054b16e31fc8cd968e4

    SHA512

    f15afcccdf37217be38a467d3b81ca8d09d8da51d5fc0e5de3e1c8fd44d714f4007a9e4a44558789fdbbbdcf4f6936d78306b895b340d35b801d1a4b025633c5

  • memory/1212-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB