General

  • Target

    fbd20cabacee9b0def4ea7c0c7340405.exe

  • Size

    1.8MB

  • Sample

    250304-k722nswyev

  • MD5

    fbd20cabacee9b0def4ea7c0c7340405

  • SHA1

    f43864031c537e45ed653c82dd3e8aef4fcf32a9

  • SHA256

    fbeacc19842742c19181eb930a0cd2baca9f900e388204a30e941090809f7fd7

  • SHA512

    ceb4cb9fa7cf211f495e477ecb896852bba32bb230f825cfb0188733b80b12482d5ead72eea25ace0e032481547a6d8461c149539effde77c2cc8fa859629495

  • SSDEEP

    49152:rMncqPrIpxu4Z0biPikcjaUpVd10oLYsdDXKZbcWvAbh3cgm3vTh:p71ZCUcjJXd1JdobhVTF

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

redline

Botnet

testproliv

C2

45.155.103.183:1488

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8193153557:AAHX0oj36X6CO229w0kT6TCXI6SILg88UAs/getFile?file_id=BQACAgQAAxkDAAMjZ8QuV4rtGUD2QR_Kn2ogaU59Xo0AAjeQAAJbUilSuphO0630PP82B

Targets

    • Target

      fbd20cabacee9b0def4ea7c0c7340405.exe

    • Size

      1.8MB

    • MD5

      fbd20cabacee9b0def4ea7c0c7340405

    • SHA1

      f43864031c537e45ed653c82dd3e8aef4fcf32a9

    • SHA256

      fbeacc19842742c19181eb930a0cd2baca9f900e388204a30e941090809f7fd7

    • SHA512

      ceb4cb9fa7cf211f495e477ecb896852bba32bb230f825cfb0188733b80b12482d5ead72eea25ace0e032481547a6d8461c149539effde77c2cc8fa859629495

    • SSDEEP

      49152:rMncqPrIpxu4Z0biPikcjaUpVd10oLYsdDXKZbcWvAbh3cgm3vTh:p71ZCUcjJXd1JdobhVTF

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Redline family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • 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 BIOS information in registry

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks