General

  • Target

    93ef052eddef1e2f51ec6332de79b5b8e84ad2b697e7b229839329b05029bbbb

  • Size

    202KB

  • Sample

    220925-v6hazsggfp

  • MD5

    d3d81b715478e5567eb874fb16425fa0

  • SHA1

    931a2ded97a5851557a00183bce0d1e0cb37b269

  • SHA256

    93ef052eddef1e2f51ec6332de79b5b8e84ad2b697e7b229839329b05029bbbb

  • SHA512

    8bbd15ea075f85a90167ab6079c069129712769f295131b62b8c1bde6a66b2a49c7baafa7040010ca913738d18c06d80e6608ed9acbc52c483cb0ff56d391f67

  • SSDEEP

    3072:j2eQQazjEz563ZxOywi+5m7Ww2syiBhdAccdnqiSMUe/PkuXx:e3psnhmAsy025xSMU

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

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @mr_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    4b2de03af6b6ac513ac597c2e6c1ad51

Targets

    • Target

      93ef052eddef1e2f51ec6332de79b5b8e84ad2b697e7b229839329b05029bbbb

    • Size

      202KB

    • MD5

      d3d81b715478e5567eb874fb16425fa0

    • SHA1

      931a2ded97a5851557a00183bce0d1e0cb37b269

    • SHA256

      93ef052eddef1e2f51ec6332de79b5b8e84ad2b697e7b229839329b05029bbbb

    • SHA512

      8bbd15ea075f85a90167ab6079c069129712769f295131b62b8c1bde6a66b2a49c7baafa7040010ca913738d18c06d80e6608ed9acbc52c483cb0ff56d391f67

    • SSDEEP

      3072:j2eQQazjEz563ZxOywi+5m7Ww2syiBhdAccdnqiSMUe/PkuXx:e3psnhmAsy025xSMU

    • 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

    • UPX packed file

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

    • 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.

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks