General

  • Target

    98df2e46f4be451caf7e79894198d300814494095da9bc2d1c002d8f97df3c11

  • Size

    1.8MB

  • Sample

    240516-mjgryagg27

  • MD5

    c8148978d49b6edd33d14dff27d1a035

  • SHA1

    dabf010ea9cf6d3a6c74ec7264fd32d237064f89

  • SHA256

    98df2e46f4be451caf7e79894198d300814494095da9bc2d1c002d8f97df3c11

  • SHA512

    b95de343b0224e8ea338ff06ffae876f8464d6878b05c29df52d51def5f3e6b9bc460efa90b3b49ac3e12a0bba936378dae05f0e7ff96a1b8fd11db11b927e7b

  • SSDEEP

    49152:MU5DYOZrFg4K2cED1ruGMkKry4JAHoPhYGMH:L5U0FgJ2lMUdGt+

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

c767c0

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family

redline

Botnet

@CLOUDYTTEAM

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:26260

Extracted

Family

stealc

Botnet

zzvv

C2

http://49.13.229.86

Attributes
  • url_path

    /c73eed764cc59dcb.php

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

5.42.65.64

Targets

    • Target

      98df2e46f4be451caf7e79894198d300814494095da9bc2d1c002d8f97df3c11

    • Size

      1.8MB

    • MD5

      c8148978d49b6edd33d14dff27d1a035

    • SHA1

      dabf010ea9cf6d3a6c74ec7264fd32d237064f89

    • SHA256

      98df2e46f4be451caf7e79894198d300814494095da9bc2d1c002d8f97df3c11

    • SHA512

      b95de343b0224e8ea338ff06ffae876f8464d6878b05c29df52d51def5f3e6b9bc460efa90b3b49ac3e12a0bba936378dae05f0e7ff96a1b8fd11db11b927e7b

    • SSDEEP

      49152:MU5DYOZrFg4K2cED1ruGMkKry4JAHoPhYGMH:L5U0FgJ2lMUdGt+

    • Amadey

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

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • 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++.

    • UAC bypass

    • Windows security bypass

    • XMRig Miner payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • 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

    • Modifies Windows Firewall

    • 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.

    • 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 cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks