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General

  • Target

    file.exe

  • Size

    3.6MB

  • Sample

    231029-a1rx1sea4w

  • MD5

    69b35056fa8377916fd5352ad665221e

  • SHA1

    8cbcb3514fd4d6fa96d381872044785172d3cd38

  • SHA256

    8defddf3ccf1ca34a7338088a7c98f08569532d0474a5221533b715364921f86

  • SHA512

    66877457ad8b805134fdf25db830cceab66bc2d40f161d2ad7442feb6655b15f51b528d797bb1dda5a6f2bde6459d60515d41de040e04dadc7fbb1232fc59383

  • SSDEEP

    49152:9pOoRzMqCUn7xYdZlmQp/8/mm9/zSrzA/atbpHc/109nSJTl0pox+GgLOz+q6JPf:mtufEJMlwZJ

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

vidar

Version

6.2

Botnet

ecfea5e785cf6eb1f47a5865492bbbb3

C2

https://steamcommunity.com/profiles/76561199564671869

https://t.me/scubytale

Attributes
  • profile_id_v2

    ecfea5e785cf6eb1f47a5865492bbbb3

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      file.exe

    • Size

      3.6MB

    • MD5

      69b35056fa8377916fd5352ad665221e

    • SHA1

      8cbcb3514fd4d6fa96d381872044785172d3cd38

    • SHA256

      8defddf3ccf1ca34a7338088a7c98f08569532d0474a5221533b715364921f86

    • SHA512

      66877457ad8b805134fdf25db830cceab66bc2d40f161d2ad7442feb6655b15f51b528d797bb1dda5a6f2bde6459d60515d41de040e04dadc7fbb1232fc59383

    • SSDEEP

      49152:9pOoRzMqCUn7xYdZlmQp/8/mm9/zSrzA/atbpHc/109nSJTl0pox+GgLOz+q6JPf:mtufEJMlwZJ

    • DcRat

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

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks