Analysis

  • max time kernel
    165s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 03:26

General

  • Target

    179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe

  • Size

    216KB

  • MD5

    af0a4ee2434f9d0d849ddc9efb2b582b

  • SHA1

    2e221e723df16221e690161c7c029216df426545

  • SHA256

    179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc

  • SHA512

    c73c9700ad3f88554da23873c6cd339d334b26eef30d29913b360a7bbd0850b45dc784fe4e9246501a5f29955f5709d3b77b643e4b79a58620d4859e58b41573

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 45 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\179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe
    "C:\Users\Admin\AppData\Local\Temp\179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2900
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1680
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3108
  • 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:2464
  • 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:3804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    0098c8bcf1009add69ad47c2bc9b8c8d

    SHA1

    8ac62cde876f4fbec44506f8c885da4595175e46

    SHA256

    7f8ccef820458de992302e13489a021b3aa8c3dc62e628faeb0fdd812750ef4c

    SHA512

    cd7541af700740a61f54ed15361b73342893fa6b1637cebc1b7d8a672b41cb2c0a368e38be2c860052736f04ad7c3b8130c00846b788e34b6ff71909b87a41bc

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

    MD5

    0098c8bcf1009add69ad47c2bc9b8c8d

    SHA1

    8ac62cde876f4fbec44506f8c885da4595175e46

    SHA256

    7f8ccef820458de992302e13489a021b3aa8c3dc62e628faeb0fdd812750ef4c

    SHA512

    cd7541af700740a61f54ed15361b73342893fa6b1637cebc1b7d8a672b41cb2c0a368e38be2c860052736f04ad7c3b8130c00846b788e34b6ff71909b87a41bc

  • memory/112-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB