General

  • Target

    7f3c66d4cb903840b87025807c715a5f87b237c08c3d6128ed17af2397af80f8.exe

  • Size

    2.8MB

  • Sample

    241217-ab2e6atqdz

  • MD5

    b05904f6e7f09d2d4a0ccf2833f1504e

  • SHA1

    631fa4118f29f9580258557b5c9fed1913221384

  • SHA256

    7f3c66d4cb903840b87025807c715a5f87b237c08c3d6128ed17af2397af80f8

  • SHA512

    d2cdaffeca7c6519a64889d0735286ae059bb027b5c12a7112b688c3081692fa50b021b0cc293ae9de5e951854829153938ac38bfbb8d3d0f1d265fd734fe56f

  • SSDEEP

    49152:47+vMFnbzAfQORD1U3Ny3Gpdjn1/oWq33pN+OTDZcKkcmO6T:4KubcfQORD1U303GpdbZoWq35N+sZXk/

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

https://tacitglibbr.biz/api

Extracted

Family

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

Targets

    • Target

      7f3c66d4cb903840b87025807c715a5f87b237c08c3d6128ed17af2397af80f8.exe

    • Size

      2.8MB

    • MD5

      b05904f6e7f09d2d4a0ccf2833f1504e

    • SHA1

      631fa4118f29f9580258557b5c9fed1913221384

    • SHA256

      7f3c66d4cb903840b87025807c715a5f87b237c08c3d6128ed17af2397af80f8

    • SHA512

      d2cdaffeca7c6519a64889d0735286ae059bb027b5c12a7112b688c3081692fa50b021b0cc293ae9de5e951854829153938ac38bfbb8d3d0f1d265fd734fe56f

    • SSDEEP

      49152:47+vMFnbzAfQORD1U3Ny3Gpdjn1/oWq33pN+OTDZcKkcmO6T:4KubcfQORD1U303GpdbZoWq35N+sZXk/

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • xmrig

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

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks