General

  • Target

    b7b475c8298c3e70a00a56cb64062a3ee9763807a948812c27455e45206001a1N.exe

  • Size

    5.5MB

  • Sample

    241206-xwbrkaykdn

  • MD5

    5bd50502d364b673d76652b1be6bbd40

  • SHA1

    d8faf2ca5d45399c33de1f5065f3ee491705a4af

  • SHA256

    b7b475c8298c3e70a00a56cb64062a3ee9763807a948812c27455e45206001a1

  • SHA512

    9aabf71bb5d017374e2f5fc1a20720631bf2104c6820318f0c7e5093c1047f91d60c6a5e9d50476ff8550f2b839cfadf313fcdbc1af1dd15764c5dedda71c7bf

  • SSDEEP

    98304:dYYu0EkBE3eTNAIP1daehaNtAXcXmhUqA/nPGs8sFIKFZBSIu8H/gxI/T8qe6T:dYY1BEuT+8n1haNtM4aU9/nPGT8jIVKd

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://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://atten-supporse.biz/api

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

cryptbot

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

https://dwell-exclaim.biz/api

Targets

    • Target

      b7b475c8298c3e70a00a56cb64062a3ee9763807a948812c27455e45206001a1N.exe

    • Size

      5.5MB

    • MD5

      5bd50502d364b673d76652b1be6bbd40

    • SHA1

      d8faf2ca5d45399c33de1f5065f3ee491705a4af

    • SHA256

      b7b475c8298c3e70a00a56cb64062a3ee9763807a948812c27455e45206001a1

    • SHA512

      9aabf71bb5d017374e2f5fc1a20720631bf2104c6820318f0c7e5093c1047f91d60c6a5e9d50476ff8550f2b839cfadf313fcdbc1af1dd15764c5dedda71c7bf

    • SSDEEP

      98304:dYYu0EkBE3eTNAIP1daehaNtAXcXmhUqA/nPGs8sFIKFZBSIu8H/gxI/T8qe6T:dYY1BEuT+8n1haNtM4aU9/nPGT8jIVKd

    • 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

    • Enumerates VirtualBox registry keys

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

    • 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.

    • 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.

    • Windows security modification

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks