General

  • Target

    de6b319d9a954c0d1d2889e288c0753b8920abd685bab8143f085443f981b7ca

  • Size

    3.1MB

  • Sample

    241122-fpmf2s1jgm

  • MD5

    a69aa32f8ef6d84b33b18056e03d52d7

  • SHA1

    302d6aeb0e86201b7048a9f39b6aa5d476a2d38e

  • SHA256

    de6b319d9a954c0d1d2889e288c0753b8920abd685bab8143f085443f981b7ca

  • SHA512

    e1c1637e7be30652e3b732c7c2d8ec1135209ece72f54d6a131cb27af241c962e914acb78aaa68a5150deeaf9ed46c35b9eb9a0decce43fa03438539035c5f2c

  • SSDEEP

    49152:9Ymcx4roZQ5VWaX2yYbKokN6y7Iex1hM0:95droartX2yYbFkOj0

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/FF/2.png

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/FF/3.png

Extracted

Family

xworm

C2

87.120.112.33:8398

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot6673004050:AAEcDfPnnGAswDvyrn9-bkOySVSnbPqLnBU/sendMessage?chat_id=1470436579

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6673004050:AAEcDfPnnGAswDvyrn9-bkOySVSnbPqLnBU/sendMessage?chat_id=1470436579

Targets

    • Target

      de6b319d9a954c0d1d2889e288c0753b8920abd685bab8143f085443f981b7ca

    • Size

      3.1MB

    • MD5

      a69aa32f8ef6d84b33b18056e03d52d7

    • SHA1

      302d6aeb0e86201b7048a9f39b6aa5d476a2d38e

    • SHA256

      de6b319d9a954c0d1d2889e288c0753b8920abd685bab8143f085443f981b7ca

    • SHA512

      e1c1637e7be30652e3b732c7c2d8ec1135209ece72f54d6a131cb27af241c962e914acb78aaa68a5150deeaf9ed46c35b9eb9a0decce43fa03438539035c5f2c

    • SSDEEP

      49152:9Ymcx4roZQ5VWaX2yYbKokN6y7Iex1hM0:95droartX2yYbFkOj0

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Xworm Payload

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc 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

      Using powershell.exe command.

    • Downloads MZ/PE file

    • 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 web browsers

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

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks