General

  • Target

    b20a88cd5200d6c4c5411a1f9454cf7ac5b1476cd06c7220da1d0aa7892d9a53.bin

  • Size

    938KB

  • Sample

    250630-yxwc2afp6v

  • MD5

    e35bf575acaed04a46be1cabe25605a3

  • SHA1

    2da2a01accdcae69fafe0b272d17a7e79acba428

  • SHA256

    b20a88cd5200d6c4c5411a1f9454cf7ac5b1476cd06c7220da1d0aa7892d9a53

  • SHA512

    7b44b25ecbc9066be289998d891d9e0529d662ae77874533e8a808cec4b8fdc2a21a0f6c5abd68f4a59d27c0296796aff4a6e2ff7ca3c5b52843d7332ddf01c9

  • SSDEEP

    24576:wqDEvCTbMWu7rQYlBQcBiT6rprG8ajaA:wTvC/MTQYxsWR7aja

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.156.72.2/testmine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.156.72.2/testmine/random.exe

Extracted

Family

vidar

Version

14.4

Botnet

5838abba2c7ca0756153b41aab8534b5

C2

https://t.me/q0l0o

https://steamcommunity.com/profiles/76561199872233764

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/137.0.0.0 Safari/537.36 OPR/122.0.0.0

Extracted

Family

lumma

C2

https://t.me/vstalnasral555

https://swenku.xyz/gaok

https://pacwpw.xyz/qwpr

https://comkxjs.xyz/taox

https://unurew.xyz/anhd

https://trsuv.xyz/gait

https://sqgzl.xyz/taoa

https://cexpxg.xyz/airq

https://urarfx.xyz/twox

https://liaxn.xyz/nbzh

https://rbmlh.xyz/lakd

Attributes
  • build_id

    d488cf6547f510dbfa48b6ad20c64a73d20aa588797b747694

Extracted

Family

xworm

C2

xw.lnpntkd9vth0tup2.rest:8080

Attributes
  • Install_directory

    %Temp%

  • install_file

    tmp7RhMxl.exe

Targets

    • Target

      b20a88cd5200d6c4c5411a1f9454cf7ac5b1476cd06c7220da1d0aa7892d9a53.bin

    • Size

      938KB

    • MD5

      e35bf575acaed04a46be1cabe25605a3

    • SHA1

      2da2a01accdcae69fafe0b272d17a7e79acba428

    • SHA256

      b20a88cd5200d6c4c5411a1f9454cf7ac5b1476cd06c7220da1d0aa7892d9a53

    • SHA512

      7b44b25ecbc9066be289998d891d9e0529d662ae77874533e8a808cec4b8fdc2a21a0f6c5abd68f4a59d27c0296796aff4a6e2ff7ca3c5b52843d7332ddf01c9

    • SSDEEP

      24576:wqDEvCTbMWu7rQYlBQcBiT6rprG8ajaA:wTvC/MTQYxsWR7aja

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks