General

  • Target

    9ca88a66e64760c3338dc5c1928c80be.bin

  • Size

    1.8MB

  • Sample

    240826-b3yc9azbkr

  • MD5

    d90ab80f4f1243a0df9e2df458e9dec3

  • SHA1

    b8a87acb7ac30a3369cb73e6bd1dcb818729977c

  • SHA256

    b4717e95fcf1ba56ee5aad0f082868f256f2a18f73ff3c1e437686df0d6c53be

  • SHA512

    8a55f665af359b29d3ca5959d1747a9400a4de60a059d702e9317735bff3b40f3d0e69dd76d3ad45d27ed6418786744cc5e6c14eba10780663d8ba036906e096

  • SSDEEP

    49152:UkOm2ZC0VZ4K14dH6WnS3mJ6wE00zAUkeLMYTI6Q3:HmC0D4K1zWnObzAreLMd6Q3

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

95.179.163.21:29257

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

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

62.113.117.95:4449

Mutex

hwelcvbupaqfzors

Attributes
  • delay

    10

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

amadey

Version

4.41

Botnet

a51500

C2

http://api.garageserviceoperation.com

Attributes
  • install_dir

    0cf505a27f

  • install_file

    ednfovi.exe

  • strings_key

    0044a8b8e295529eaf3743c9bc3171d2

  • url_paths

    /CoreOPT/index.php

rc4.plain

Targets

    • Target

      29db4d6bce2297d878cfef9b5ffc452dc7299a25b53219fa215cce7f7bdd3910.exe

    • Size

      1.8MB

    • MD5

      9ca88a66e64760c3338dc5c1928c80be

    • SHA1

      5ae47c67c6b046a6e807dddb6178dbfad43c888e

    • SHA256

      29db4d6bce2297d878cfef9b5ffc452dc7299a25b53219fa215cce7f7bdd3910

    • SHA512

      b666767bc65801202abb4ff5a2a25f9d720b7b0f65c9207384adf6e0c095964b1c9cee14780f9ea1ced8dc55053a128e59fae34164b5662539a7990d05e02fb3

    • SSDEEP

      49152:uoFhH1etnXQLvIg/IuLfuc15xGq/sZgRvDS9nPk3UrQ:xhVetALvI3uSc1iXeRvGxs

    • 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#.

    • Detects ZharkBot payload

      ZharkBot is a botnet written C++.

    • 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++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZharkBot

      ZharkBot is a botnet written C++.

    • Async RAT payload

    • 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)

    • Blocklisted process makes network request

    • 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 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 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks