Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 08:27

General

  • Target

    0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe

  • Size

    216KB

  • MD5

    dc357d6894e10dd05afa94c04caad009

  • SHA1

    907985a922d4cb66b60fcf7934b60e7d2b99a3e0

  • SHA256

    0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81

  • SHA512

    cb0997745527b0ca4220e9312ff08229fdcd958e24c6744d46a712f66e67c6e86f0e9cf7a90dd1ae62aff824427ccd4aab24ad03ff145c3ee4b9adc740b9f6c6

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • 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 52 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\0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe
    "C:\Users\Admin\AppData\Local\Temp\0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3676
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3148
  • 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:3976
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3764
  • 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:3928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    bfd19a7c70e89914cac9dc554a01df57

    SHA1

    b1750d64964ae4bf27a191de1a13d8bb7dc515a0

    SHA256

    9eedc1a7e3a94d26185a60c2587e18b569685be010830671695011aaf2401bca

    SHA512

    2e2d23d04be2193d3bc592fa95203167e81efef5ee535659226bcb112846f5e6c9b831debf051bd73d45bc437a2587cd769a5c05ae2e18fa2ca3aa4f20939c91

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

    bfd19a7c70e89914cac9dc554a01df57

    SHA1

    b1750d64964ae4bf27a191de1a13d8bb7dc515a0

    SHA256

    9eedc1a7e3a94d26185a60c2587e18b569685be010830671695011aaf2401bca

    SHA512

    2e2d23d04be2193d3bc592fa95203167e81efef5ee535659226bcb112846f5e6c9b831debf051bd73d45bc437a2587cd769a5c05ae2e18fa2ca3aa4f20939c91

  • memory/3260-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB