General

  • Target

    1d272c9aa998704c62b578a03ea79db0.bin

  • Size

    1.7MB

  • Sample

    241217-bdlm6avqhz

  • MD5

    230bafb29f1eb90d6d8e4fd2648641c2

  • SHA1

    b33af0fc061e9c57b91539ecaa1ae6c2e489e294

  • SHA256

    fcd46a31c433d5737c08a4b921a510ad3edeb7baa159509598d913bb336a47aa

  • SHA512

    c2f6b325bbf6dc3c218b4a7ff9ce40bc847a0fbffac91b989b9007433492b7050686df97e9c30664e0d88ed093c47e8acedac7b5aa54838e2492465eceaf5df4

  • SSDEEP

    24576:WRfjN15pfAgd08MzAVxlEJG7EaB0klJ99GGbkC4oUkU+MyL9zfDgrBlS0iNHXr1A:6Rpffo6xL7xB0qJ9oGgbow5Abbr1A

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

Extracted

Family

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      a33b0b0c51bcff2ee0eb94ee480383fbf4971bc723f06c95361b24805d8e4f9a.exe

    • Size

      2.9MB

    • MD5

      1d272c9aa998704c62b578a03ea79db0

    • SHA1

      0bfb5ffd37a278143649f15efbf3b8725b25f89b

    • SHA256

      a33b0b0c51bcff2ee0eb94ee480383fbf4971bc723f06c95361b24805d8e4f9a

    • SHA512

      8de05686653f6779327abd212946ea3bcad946fd6e014accd47d411d58c7eb95b62365e015daa0ea94d6bb5835227e7c657fca72a88a1de41674e99a078be6c8

    • SSDEEP

      49152:0wH8eUbUu/g2CpfY3m9/Py/vxbhOQ1kK1dkUsVXos3xfHfMm3ScftLQJiME+N:0wT5u/g2CpfY3m9/PexbQAkK1dkh3xvL

    • 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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat 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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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