General

  • Target

    21d737ab11efc4ad882d6055afa369a6ceaa8affc74b6efaeeceb79c95188c7c

  • Size

    1.8MB

  • Sample

    240906-nbmtnatakl

  • MD5

    59e283d31bdf4e901b4482f56414135d

  • SHA1

    93f8b7692ba4ffa62f2ec65aa1c2550984351129

  • SHA256

    21d737ab11efc4ad882d6055afa369a6ceaa8affc74b6efaeeceb79c95188c7c

  • SHA512

    e4f12f535e2cb33d47e0e9fb4722d3e2008f27d52ff60e9a23f13591dc4d20c247ddc64e32ae812094b3c712e9cd2b44f9b21420b8832fdd4582dd6a464bb1b0

  • SSDEEP

    24576:Us6Pn39zoJ06FP3aDLIExCDo6/jPeiPKPH8zBxdcUv5kk8yKYytogJ+jchiyK:UsO3lqFP3dhj346BhhY/JQjQ

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

redline

Botnet

LiveTraffic

C2

95.179.250.45:26212

Extracted

Family

redline

Botnet

@CLOUDYTTEAM

C2

65.21.18.51:45580

Extracted

Family

stealc

Botnet

default2

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

stealc

Botnet

default

C2

http://91.202.233.158

Attributes
  • url_path

    /e96ea2db21fa9a1b.php

Extracted

Family

redline

Botnet

bundle

C2

185.215.113.67:15206

Extracted

Family

cryptbot

C2

analforeverlovyu.top

fivev5ht.top

sevtv17ht.top

Attributes
  • url_path

    /v1/upload.php

Targets

    • Target

      21d737ab11efc4ad882d6055afa369a6ceaa8affc74b6efaeeceb79c95188c7c

    • Size

      1.8MB

    • MD5

      59e283d31bdf4e901b4482f56414135d

    • SHA1

      93f8b7692ba4ffa62f2ec65aa1c2550984351129

    • SHA256

      21d737ab11efc4ad882d6055afa369a6ceaa8affc74b6efaeeceb79c95188c7c

    • SHA512

      e4f12f535e2cb33d47e0e9fb4722d3e2008f27d52ff60e9a23f13591dc4d20c247ddc64e32ae812094b3c712e9cd2b44f9b21420b8832fdd4582dd6a464bb1b0

    • SSDEEP

      24576:Us6Pn39zoJ06FP3aDLIExCDo6/jPeiPKPH8zBxdcUv5kk8yKYytogJ+jchiyK:UsO3lqFP3dhj346BhhY/JQjQ

    • Amadey

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

    • CryptBot

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

    • RedLine

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

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Downloads MZ/PE file

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks