General

  • Target

    new.bat

  • Size

    10.0MB

  • Sample

    240808-yjyw1asdld

  • MD5

    c16890f92f82d9aa09e0863b9b972fd7

  • SHA1

    58095238d31afefaa103a0ba7c9be0c5f76d4049

  • SHA256

    8e8027584954b310a51dcedd2d905e557be41d1a14a2edb80f0026bd80d33048

  • SHA512

    ccd09d87f7332b227c167c24679f253eb128062073549db799b24d7142b5e77e1669a403be552cda1f82fe608c1e5f9655f7d1b789b0913ff7aa8b203542f295

  • SSDEEP

    96:t57sU5Mqwt3o3h2lvzNxmjNzFy5lKXX0lPuvRNUurK2Ltb5MAkZItmniAvTFI4Ns:7A4nQoBkdGpcnWw

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

momehvenom.duckdns.org:8520

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Version

3.1

C2

momekxwrm.duckdns.org:8292

xwor3july.duckdns.org:9402

Mutex

yh66xbyAobQEOS5f

Attributes
  • install_file

    USB.exe

aes.plain
aes.plain

Extracted

Family

xworm

Version

5.0

C2

xwrmmone.duckdns.org:9390

Mutex

jg6HwHbepPocwygj

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

modsmasync.duckdns.org:6745

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

nanarchym.duckdns.org:7878

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      new.bat

    • Size

      10.0MB

    • MD5

      c16890f92f82d9aa09e0863b9b972fd7

    • SHA1

      58095238d31afefaa103a0ba7c9be0c5f76d4049

    • SHA256

      8e8027584954b310a51dcedd2d905e557be41d1a14a2edb80f0026bd80d33048

    • SHA512

      ccd09d87f7332b227c167c24679f253eb128062073549db799b24d7142b5e77e1669a403be552cda1f82fe608c1e5f9655f7d1b789b0913ff7aa8b203542f295

    • SSDEEP

      96:t57sU5Mqwt3o3h2lvzNxmjNzFy5lKXX0lPuvRNUurK2Ltb5MAkZItmniAvTFI4Ns:7A4nQoBkdGpcnWw

    • AsyncRat

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

    • Detect Xworm Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks