Analysis

  • max time kernel
    156s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 06:30

General

  • Target

    0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe

  • Size

    216KB

  • MD5

    f22170f2ecb803c4f92b46a7e3014616

  • SHA1

    8c3781d1ae8dd12a76cd04e6f88a410a3823dcc6

  • SHA256

    0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2

  • SHA512

    122e0576a413fbee7008a2281ec4bfd33f729060157c344d16b845814205050105176c2e286e36e3a5fe3532b763be9948b4da221eb8dd7ea1a3b2795fe8c8ff

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 54 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\0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe
    "C:\Users\Admin\AppData\Local\Temp\0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fcefe7344d262f98db58ffcd4d80b55648b4effbe3f5e67f62ca04e1eb12cc2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3612
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3524
  • 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:1916
  • 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:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    b8c048fd9b01a16d9445faa953acfc25

    SHA1

    0abe4b74ba7d267ea986088c7164e3a0d1d3dd9a

    SHA256

    7cbdad55a99907c8faf03d21be3db4de20fa726b0dd5953ac22877a0ccd46832

    SHA512

    9bafeef57b59b1bb87f5416baf9e541cbedc788cfc7224ab36442a0d2acd7fccf901feeb92be92764546cd29ef53b40f391e49be0c2e4a5f3f375bd57bff8705

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

    MD5

    b8c048fd9b01a16d9445faa953acfc25

    SHA1

    0abe4b74ba7d267ea986088c7164e3a0d1d3dd9a

    SHA256

    7cbdad55a99907c8faf03d21be3db4de20fa726b0dd5953ac22877a0ccd46832

    SHA512

    9bafeef57b59b1bb87f5416baf9e541cbedc788cfc7224ab36442a0d2acd7fccf901feeb92be92764546cd29ef53b40f391e49be0c2e4a5f3f375bd57bff8705

  • memory/3696-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB