General

  • Target

    250604-vy523sak9z.bin

  • Size

    4KB

  • Sample

    250604-v5v6fsszgv

  • MD5

    a239a27c2169af388d4f5be6b52f272c

  • SHA1

    0feb9a0cd8c25f01d071e9b2cfc2ae7bd430318c

  • SHA256

    98e895f711226a32bfab152e224279d859799243845c46e550c2d32153c619fc

  • SHA512

    f30e1ff506cc4d729f7e24aa46e832938a5e21497f1f82f1b300d47f45dae7f1caef032237ef1f5ae9001195c43c0103e3ab787f9196c8397846c1dea8f351da

  • SSDEEP

    48:6r1huik0xzYGJZZJOQOulbfSqXSfbNtm:IIxcLpf6zNt

Malware Config

Extracted

Family

xworm

Version

5.0

C2

3214r214r12412-50274.portmap.io:50274

djksandjkandsa-58893.portmap.io:58893

vvvvvvase2314e214re21-22848.portmap.io:22848

e3qieuj3qidwsa-60573.portmap.io:60573

rq3wfq3t3qtw-29855.portmap.io:29855

Mutex

CaFsCy2hTYV8RqjM

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:6606

89.84.63.139:6606

Mutex

caqxyzoxvrzhnrxwoc

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Version

AWS | RxR

Botnet

Paste.Rs

C2

rxrphar.duckdns.org:6606

rxrphar.duckdns.org:7707

rxrphar.duckdns.org:8808

rxrphar.duckdns.org:777

rxrphar.duckdns.org:963

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/KD5sWJRx

aes.plain
aes.plain
aes.plain

Extracted

Family

asyncrat

Version

AWS | RxR

Botnet

Paste

Mutex

AsyncMutex_101010101010101001101010101010101010101010101010101010101001101010110101010101010101010101010011010110011010101010101010101011001010111011111011111010011010101010101010101011010101011010101010101010101010101010101

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/TBi86jpV

aes.plain

Extracted

Family

lumma

C2

https://https://t.me/pizdenka202020/api

https://autogearw.live/tapsz

https://narrathfpt.top/tekq

https://escczlv.top/bufi

https://localixbiw.top/zlpa

https://korxddl.top/qidz

https://tinklertjp.bet/nzaf

https://diecam.top/laur/api

https://citellcagt.top/gjtu

https://witchdbhy.run/pzal

Extracted

Family

quasar

Version

1.4.1

Botnet

crypttest

C2

78.108.216.225:4785

Mutex

afec588d-ba99-4dc5-b1a2-184899a164d1

Attributes
  • encryption_key

    F592F433E80D21E441A0CAF7EB05F6190319999E

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.88:4782

Mutex

ffc63c9d-585e-4df2-beda-4faee4bf1143

Attributes
  • encryption_key

    6642530AFF0B8F18CACCBD6B306915FED285B766

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update Service

  • subdirectory

    SubDir

Extracted

Family

discordrat

Attributes
  • discord_token

    MTA3MTgzODcwNjk2MjUzODU2Ng.G2xOwQ.rlcRNKLD2jW5bS3u15Rgzgy_BS5em_H-902Yvo

  • server_id

    1233166029094523002

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.1.88:1604

Mutex

DC_MUTEX-78A8SHS

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    F3699tcBulw4

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1006954410666106990/9Iy2qOgXVC_vEQnjlUpdYRCXfaWC5wOtFa4nGroibeTyQ4j03lDdl1qMLghs02XGK34k

Targets

    • Target

      250604-vy523sak9z.bin

    • Size

      4KB

    • MD5

      a239a27c2169af388d4f5be6b52f272c

    • SHA1

      0feb9a0cd8c25f01d071e9b2cfc2ae7bd430318c

    • SHA256

      98e895f711226a32bfab152e224279d859799243845c46e550c2d32153c619fc

    • SHA512

      f30e1ff506cc4d729f7e24aa46e832938a5e21497f1f82f1b300d47f45dae7f1caef032237ef1f5ae9001195c43c0103e3ab787f9196c8397846c1dea8f351da

    • SSDEEP

      48:6r1huik0xzYGJZZJOQOulbfSqXSfbNtm:IIxcLpf6zNt

    • 44Caliber

      An open source infostealer written in C#.

    • 44Caliber family

    • AsyncRat

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

    • Asyncrat family

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Detect Xworm Payload

    • Detects DonutLoader

    • Discord RAT

      A RAT written in C# using Discord as a C2.

    • Discordrat family

    • DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Donutloader family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies WinLogon for persistence

    • Modiloader family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • XMRig Miner payload

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Async RAT payload

    • ModiLoader Second Stage

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks