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240815-cc95ssydlb 10

General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    240815-cc95ssydlb

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1604

127.0.0.1:22253

eu-central-7075.packetriot.net:6606

eu-central-7075.packetriot.net:7707

eu-central-7075.packetriot.net:8808

eu-central-7075.packetriot.net:1604

eu-central-7075.packetriot.net:22253

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

amadey

Version

4.41

Botnet

cd33f9

C2

http://193.176.158.185

Attributes
  • install_dir

    fed0c9a4d3

  • install_file

    Hkbsse.exe

  • strings_key

    a2163aef710017f5548e7e730af53cca

  • url_paths

    /B0kf3CbAbR/index.php

rc4.plain

Extracted

Family

redline

C2

185.215.113.9:12617

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.blooming.com.my
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    THL191282

Extracted

Family

redline

Botnet

kir

C2

147.45.44.73:6282

Extracted

Family

lumma

C2

https://bassizcellskz.shop/api

https://writerospzm.shop/api

https://deallerospfosu.shop/api

https://mennyudosirso.shop/api

https://languagedscie.shop/api

https://complaintsipzzx.shop/api

https://quialitsuzoxm.shop/api

https://tenntysjuxmz.shop/api

Targets

    • Target

      Downloaders.zip

    • Size

      12KB

    • MD5

      94fe78dc42e3403d06477f995770733c

    • SHA1

      ea6ba4a14bab2a976d62ea7ddd4940ec90560586

    • SHA256

      16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

    • SHA512

      add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

    • SSDEEP

      384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

    • Amadey

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

    • AsyncRat

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

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

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

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 Microsoft Outlook profiles

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks