General

  • Target

    2025-04-04_e6622b997703fc5a207a053a7f3b4c3b_agent-tesla_black-basta_cobalt-strike_luca-stealer

  • Size

    938KB

  • Sample

    250404-yy81hsttgt

  • MD5

    e6622b997703fc5a207a053a7f3b4c3b

  • SHA1

    3c6d3306c0d76b6b714f4c2a72b704c8b07ae84c

  • SHA256

    37a9c1cd8cb5dad16158797afcc474f5a2926ced95915e9b2cbe5822b88f0f5d

  • SHA512

    acf8d1c72adef86e2e6b46887dea44338d7c5e80f7cc220b6a54d816948f63a47d85486606ccba37fff541951b426f7c5bf37e4b47105099ce88241b1de65227

  • SSDEEP

    24576:dqDEvCTbMWu7rQYlBQcBiT6rprG8a0Au:dTvC/MTQYxsWR7a0A

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

meshagent

Version

2

Botnet

test123

C2

http://aaso12.duckdns.org:443/agent.ashx

Attributes
  • mesh_id

    0x0CF4A8B0663DD2F1D3A44CE8D231621166DBDB1E723B374C911544DE2F45A87C6C52F7206CED32F5B6A52A5551B75A3C

  • server_id

    22F126392DFCD804B6AF755F256A707D53ED8D200650E6BC853C95860F21B6B7049AF4EBEAB393E6EE1A9315B396BFC8

  • wss

    wss://aaso12.duckdns.org:443/agent.ashx

Extracted

Family

gcleaner

C2

185.156.73.98

45.91.200.135

Targets

    • Target

      2025-04-04_e6622b997703fc5a207a053a7f3b4c3b_agent-tesla_black-basta_cobalt-strike_luca-stealer

    • Size

      938KB

    • MD5

      e6622b997703fc5a207a053a7f3b4c3b

    • SHA1

      3c6d3306c0d76b6b714f4c2a72b704c8b07ae84c

    • SHA256

      37a9c1cd8cb5dad16158797afcc474f5a2926ced95915e9b2cbe5822b88f0f5d

    • SHA512

      acf8d1c72adef86e2e6b46887dea44338d7c5e80f7cc220b6a54d816948f63a47d85486606ccba37fff541951b426f7c5bf37e4b47105099ce88241b1de65227

    • SSDEEP

      24576:dqDEvCTbMWu7rQYlBQcBiT6rprG8a0Au:dTvC/MTQYxsWR7a0A

    • Amadey

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

    • Amadey family

    • Detects MeshAgent payload

    • GCleaner

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

    • Gcleaner family

    • MeshAgent

      MeshAgent is an open source remote access trojan written in C++.

    • Meshagent family

    • Modifies security service

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • 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.

    • Modifies file permissions

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks