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General

  • Target

    bc1f7ca5b344ac935361475d3a386ca9c17ae5b856e1028622d2a7131d6eb666.exe

  • Size

    1.8MB

  • Sample

    250327-e227lazjw7

  • MD5

    d5f6e39b19e5b45d9953d4cb1401cc51

  • SHA1

    c20f5112e5c6743247c3aa2939bbac098e7df551

  • SHA256

    bc1f7ca5b344ac935361475d3a386ca9c17ae5b856e1028622d2a7131d6eb666

  • SHA512

    b63a89ec0df2dd5c836e03d5c4f2b74acd5444499ac728eb66d9cc55d892b85819ceb10c98bb96067170fa4d0ac34cc72c3f839e8f4c1c740d7e50d27e6fb298

  • SSDEEP

    24576:kUAfrVg7JIB/RwQTo1ozluw6kJ4AoZRvMfyTY/e63AlMYe/t4SHd4lU55eoyyT0O:7Af5g766QTNv6i4Zrng2lMff9Pei0

Malware Config

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

b.strongest.network:22394

Mutex

arwpWzcFwkBy2ZX1

Attributes
  • Install_directory

    %AppData%

  • install_file

    MsWin32tart.exe

aes.plain

Extracted

Family

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Targets

    • Target

      bc1f7ca5b344ac935361475d3a386ca9c17ae5b856e1028622d2a7131d6eb666.exe

    • Size

      1.8MB

    • MD5

      d5f6e39b19e5b45d9953d4cb1401cc51

    • SHA1

      c20f5112e5c6743247c3aa2939bbac098e7df551

    • SHA256

      bc1f7ca5b344ac935361475d3a386ca9c17ae5b856e1028622d2a7131d6eb666

    • SHA512

      b63a89ec0df2dd5c836e03d5c4f2b74acd5444499ac728eb66d9cc55d892b85819ceb10c98bb96067170fa4d0ac34cc72c3f839e8f4c1c740d7e50d27e6fb298

    • SSDEEP

      24576:kUAfrVg7JIB/RwQTo1ozluw6kJ4AoZRvMfyTY/e63AlMYe/t4SHd4lU55eoyyT0O:7Af5g766QTNv6i4Zrng2lMff9Pei0

    • 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

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • Possible privilege escalation attempt

    • Stops running service(s)

    • 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.

    • Deletes itself

    • 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

    • Modifies file permissions

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Windows security modification

    • 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.

    • Drops desktop.ini file(s)

    • 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