General

  • Target

    04e428b8cc919452e07cae9081618efc.exe

  • Size

    25.9MB

  • Sample

    250308-dlt1ls1sdy

  • MD5

    04e428b8cc919452e07cae9081618efc

  • SHA1

    4c9d1a66a524c1e8a9dcea02bcaa8c75698c0f09

  • SHA256

    a6b4d63cfb361f2bbc15e1bb8861b183227f817d3a67fe5ab2b001a1e6011380

  • SHA512

    88a3ab0a23ace92ac768ff09e796d226da89c22398dc790d25b257615bf71ce8692cd796bb057487fbc0b3a783148192cbd26e25af901b328ef3e4858fed1238

  • SSDEEP

    393216:lR6gS5im4Pu9cuxaIp/ePQ92c4SbeRna5UgMXD/3PAZWiTGxtC4F7RNfa/1:lrS57Kuxdt92bSKRsgJiTG24Zi/1

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

103.17.38.43:4449

192.168.4.182:4449

Mutex

chrome

Attributes
  • delay

    1

  • install

    true

  • install_file

    svh.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

C2

127.0.0.1:7000

192.168.4.185:7000

192.168.4.182:7000

192.168.4.181:7000

103.17.38.43:7000

103.17.38.40/29:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    chrome.exe

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:3232

103.17.38.43:3232

Attributes
  • delay

    1

  • install

    true

  • install_file

    chrome.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Version

| Edit by Vinom Rat

Botnet

Default

C2

127.0.0.1:7707

192.168.4.182:7707

103.17.38.43:7707

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Defender.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      04e428b8cc919452e07cae9081618efc.exe

    • Size

      25.9MB

    • MD5

      04e428b8cc919452e07cae9081618efc

    • SHA1

      4c9d1a66a524c1e8a9dcea02bcaa8c75698c0f09

    • SHA256

      a6b4d63cfb361f2bbc15e1bb8861b183227f817d3a67fe5ab2b001a1e6011380

    • SHA512

      88a3ab0a23ace92ac768ff09e796d226da89c22398dc790d25b257615bf71ce8692cd796bb057487fbc0b3a783148192cbd26e25af901b328ef3e4858fed1238

    • SSDEEP

      393216:lR6gS5im4Pu9cuxaIp/ePQ92c4SbeRna5UgMXD/3PAZWiTGxtC4F7RNfa/1:lrS57Kuxdt92bSKRsgJiTG24Zi/1

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks