General

  • Target
    0a8e4a85b3a9ce35fa5457ca317bacca22bd4bc7e86d416fe89713125ef34551
  • Size 229KB
  • Sample221025-fblycsbfak
  • SHA256 0a8e4a85b3a9ce35fa5457ca317bacca22bd4bc7e86d416fe89713125ef34551
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • djvu

C2
  • http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .nury

  • offline_id

    KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1

  • payload_url

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

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family
  • redline

Botnet
  • mario23_10

C2
  • 167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family
  • vidar

Version
  • 55.2

Botnet
  • 517

C2
  • https://t.me/slivetalks

  • https://c.im/@xinibin420

Attributes
  • profile_id

    517

Extracted

Family
  • danabot

C2
  • 49.0.50.0:57

  • 51.0.52.0:0

  • 53.0.54.0:1200

  • 55.0.56.0:65535

Attributes
  • embedded_hash

    569235DCA8F16ED8310BBACCB674F896

  • type

    loader

Extracted

Family
  • vidar

Version
  • 55.2

Botnet
  • 937

C2
  • https://t.me/slivetalks

  • https://c.im/@xinibin420

Attributes
  • profile_id

    937

Targets

    • Target
      0a8e4a85b3a9ce35fa5457ca317bacca22bd4bc7e86d416fe89713125ef34551
    • Size 229KB
    • SHA256 0a8e4a85b3a9ce35fa5457ca317bacca22bd4bc7e86d416fe89713125ef34551
    • MD5 SHA1 SHA512 SSDEEP
    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • 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.

    • Blocklisted process makes network request

    • 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.

    • Uses the VBS compiler for execution

    • 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.

    • 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