General

  • Target

    https://bitbucket.org/mdva12/archivoos/downloads/Colpatria_notificacion_00023659.zip

  • Sample

    240829-z7dreasbla

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://bitbucket.org/556ghfhgfhgf/fdsfdsf/downloads/dllhope.txt

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://bitbucket.org/556ghfhgfhgf/fdsfdsf/downloads/dllhope.txt

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Invictus

C2

carlos1983dc.duckdns.org:2424

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

michael2009nj.duckdns.org:2828

Mutex

bf4e531b630e4de6ab2

Attributes
  • reg_key

    bf4e531b630e4de6ab2

  • splitter

    @!#&^%$

Extracted

Family

xworm

C2

toskanaw2024.duckdns.org:7000

Attributes
  • install_file

    USB.exe

Targets

    • Target

      https://bitbucket.org/mdva12/archivoos/downloads/Colpatria_notificacion_00023659.zip

    • AsyncRat

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

    • Detect Xworm Payload

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks