General

  • Target

    new.bat

  • Size

    13.0MB

  • Sample

    241013-kbddfa1ejq

  • MD5

    fa7d31fe5607567d7240f15f27a7fd08

  • SHA1

    192e1240b664bdee1ac923c12af86d0552bd9774

  • SHA256

    830b295a70e3db6aa9e9c343bc76b59015cf1e88124efaae9713d726b6381cd2

  • SHA512

    e57ce88a41c1014189b4b4ebeda0f660cb23251fda834de5be591859b5769b6fb0b368be5634072f8083add8401abec4d92beb668263b7458571b70f94b7f4fd

  • SSDEEP

    96:q8kfEa9L03YTZEc/LsZHbwWzDI469xmnZuw1OnfnMn3BonlMS/yN+6uVF/xx6t8W:gfEa5TT0tZ8EriC

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

nanarchym.duckdns.org:7878

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

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

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

5.0

C2

xwrmmone.duckdns.org:9390

x5wo9402sep.duckdns.org:9402

Mutex

jg6HwHbepPocwygj

Attributes
  • install_file

    USB.exe

aes.plain
aes.plain

Extracted

Family

xworm

Version

3.1

C2

momekxwrm.duckdns.org:8292

Mutex

yh66xbyAobQEOS5f

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      new.bat

    • Size

      13.0MB

    • MD5

      fa7d31fe5607567d7240f15f27a7fd08

    • SHA1

      192e1240b664bdee1ac923c12af86d0552bd9774

    • SHA256

      830b295a70e3db6aa9e9c343bc76b59015cf1e88124efaae9713d726b6381cd2

    • SHA512

      e57ce88a41c1014189b4b4ebeda0f660cb23251fda834de5be591859b5769b6fb0b368be5634072f8083add8401abec4d92beb668263b7458571b70f94b7f4fd

    • SSDEEP

      96:q8kfEa9L03YTZEc/LsZHbwWzDI469xmnZuw1OnfnMn3BonlMS/yN+6uVF/xx6t8W:gfEa5TT0tZ8EriC

    • 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

      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