General

  • Target

    2d7137732b9feb24f198a19677c679f6fddf071fa1a9d6a2cd1c0531860811d8

  • Size

    328KB

  • Sample

    220928-hqmjjsgdak

  • MD5

    db32ee1dc84f51c1f03c7a1dcd580a8a

  • SHA1

    7dc8a12eb86c8f30d8e45594a6d0ef1b2e11bf2e

  • SHA256

    2d7137732b9feb24f198a19677c679f6fddf071fa1a9d6a2cd1c0531860811d8

  • SHA512

    2f0e98d2a1c11ea2bb45171c0d473ab48aadcb49062517e222c2707638312439434b0d9d610f651a404a6c692aef03ceefd5cf8aa88eddebfc4b9949a6769e8f

  • SSDEEP

    6144:Y+K80qV7EQBYmVNo0Y91j07PtSnigabwVfsW:Y+KXQ7kmVNHdLciBW

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .ofww

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

11

C2

51.89.201.21:7161

Attributes
  • auth_value

    e6aadafed1fda7723d7655a5894828d2

Extracted

Family

redline

Botnet

981705428_pjm12r96

C2

179.43.175.170:38766

Attributes
  • auth_value

    863097aff7128c494bbb9b4c949876ce

Extracted

Family

redline

Botnet

fud

C2

45.15.156.7:48638

Attributes
  • auth_value

    da2faefdcf53c9d85fcbb82d0cbf4876

Targets

    • Target

      2d7137732b9feb24f198a19677c679f6fddf071fa1a9d6a2cd1c0531860811d8

    • Size

      328KB

    • MD5

      db32ee1dc84f51c1f03c7a1dcd580a8a

    • SHA1

      7dc8a12eb86c8f30d8e45594a6d0ef1b2e11bf2e

    • SHA256

      2d7137732b9feb24f198a19677c679f6fddf071fa1a9d6a2cd1c0531860811d8

    • SHA512

      2f0e98d2a1c11ea2bb45171c0d473ab48aadcb49062517e222c2707638312439434b0d9d610f651a404a6c692aef03ceefd5cf8aa88eddebfc4b9949a6769e8f

    • SSDEEP

      6144:Y+K80qV7EQBYmVNo0Y91j07PtSnigabwVfsW:Y+KXQ7kmVNHdLciBW

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks