Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    145KB

  • Sample

    221001-l17h9afgf7

  • MD5

    61a79a674cbf6c1b2c97fbc2d9f871c9

  • SHA1

    0b14162894014af1828c3fd7d34fba7be9edd01a

  • SHA256

    3aba1d6a55341b9ade1723337bf71abfd2c9aa5e213fef597d11e1aa70e2af30

  • SHA512

    6398cbb688e8acc53ec0d06b10052091a002c33a63e13de532c8a4794618bbc142d61ad158c3c36c4de651dc9cecc194e6355477bd90baa8b5deaa2fb678255f

  • SSDEEP

    1536:bR6mosPYVlxVSY/27/RgYMXEhMWOXxv07DNEkLVfUggDgmYRbpuiZ2v7TsFR3yEw:brotAn7/RDMLWov0PWkdU1t2HPUoBiJ

Score
10/10
dcratdjvuredlinesmokeloadervidar517installibackdoorcollectiondiscoveryevasioninfostealerpersistenceransomwareratspywarestealertrojan

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

installi

C2

78.153.144.6:2510

Attributes
  • auth_value

    f7a95740dfddbaa1471d1ac4f63cb78e

Targets

    • Target

      file.exe

    • Size

      145KB

    • MD5

      61a79a674cbf6c1b2c97fbc2d9f871c9

    • SHA1

      0b14162894014af1828c3fd7d34fba7be9edd01a

    • SHA256

      3aba1d6a55341b9ade1723337bf71abfd2c9aa5e213fef597d11e1aa70e2af30

    • SHA512

      6398cbb688e8acc53ec0d06b10052091a002c33a63e13de532c8a4794618bbc142d61ad158c3c36c4de651dc9cecc194e6355477bd90baa8b5deaa2fb678255f

    • SSDEEP

      1536:bR6mosPYVlxVSY/27/RgYMXEhMWOXxv07DNEkLVfUggDgmYRbpuiZ2v7TsFR3yEw:brotAn7/RDMLWov0PWkdU1t2HPUoBiJ

    Score
    10/10
    smokeloaderbackdoortrojandcratdjvuredlinevidar517installicollectiondiscoveryevasioninfostealerpersistenceransomwareratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Modifies security service

      evasion

    • RedLine

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

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • UAC bypass

      evasiontrojan

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Bypass User Account Control

1
T1088

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks