General

  • Target

    001a85285afa647fe211081b973e009d565f8d11c6826bc563d870e8a1d7f066

  • Size

    3.0MB

  • Sample

    250305-2jckjs1rx4

  • MD5

    9b74c8ca9a96ae492548c64b4bbe9545

  • SHA1

    8ba7902250c9df14180a431392e69b83def8f4b9

  • SHA256

    001a85285afa647fe211081b973e009d565f8d11c6826bc563d870e8a1d7f066

  • SHA512

    7a40393008880d161373981cea7fd5642315ce06621f67ee12d1b429c8ae52300a7923d0e51aded072656342476f1e82a9c28eb808d4148212cce59b81dea596

  • SSDEEP

    49152:BZWS4fAqWkqxaVUxWz22HcS99o+PBzVewkIZYNCVmzU8l5:eSUAqWkqxaVUxWC2LHvHZYs4zUE

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

xworm

Version

5.0

C2

45.154.98.175:6969

Mutex

uGmGtmYAbzOi1F41

Attributes
  • Install_directory

    %AppData%

  • install_file

    google_updates.exe

aes.plain

Extracted

Family

systembc

C2

towerbingobongoboom.com

62.60.226.86

Attributes
  • dns

    5.132.191.104

Extracted

Family

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Targets

    • Target

      001a85285afa647fe211081b973e009d565f8d11c6826bc563d870e8a1d7f066

    • Size

      3.0MB

    • MD5

      9b74c8ca9a96ae492548c64b4bbe9545

    • SHA1

      8ba7902250c9df14180a431392e69b83def8f4b9

    • SHA256

      001a85285afa647fe211081b973e009d565f8d11c6826bc563d870e8a1d7f066

    • SHA512

      7a40393008880d161373981cea7fd5642315ce06621f67ee12d1b429c8ae52300a7923d0e51aded072656342476f1e82a9c28eb808d4148212cce59b81dea596

    • SSDEEP

      49152:BZWS4fAqWkqxaVUxWz22HcS99o+PBzVewkIZYNCVmzU8l5:eSUAqWkqxaVUxWC2LHvHZYs4zUE

    • Amadey

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

    • Amadey family

    • Detect Xworm Payload

    • Detects Healer an antivirus disabler dropper

    • GCleaner

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

    • Gcleaner family

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

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

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

    • XMRig Miner payload

    • 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 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.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks