General

  • Target

    7140765CD0D5F61BB453F0511E24786E21D950C2CB3B3.exe

  • Size

    3.2MB

  • Sample

    221001-bqnchsgccm

  • MD5

    556412f983de13496bbee4fd87e1a966

  • SHA1

    59beeba0a1e82ae41cbfcbec56ba8d30e3702f03

  • SHA256

    7140765cd0d5f61bb453f0511e24786e21d950c2cb3b30aa2945ba1846a4e0a5

  • SHA512

    10b65535e68a763dd216d246e30927144ffda2d1f5084d27758c1868383fc5386f5c8c08650fd1354d38fd8d5fc082588cee0cedc35dceecec9115ad63c7abbb

  • SSDEEP

    98304:JhXlDXkM77yrTrLG7Xk0+G94TksGWQKx7+g:JdVXkM3qrCzk0+G6IshhxCg

Malware Config

Extracted

Family

nullmixer

C2

http://watira.xyz/

Extracted

Family

vidar

Version

39.8

Botnet

706

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes
  • extension

    .ofoq

  • 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

nymaim

C2

208.67.104.97

85.31.46.167

Extracted

Family

vidar

Version

54.7

Botnet

1679

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    1679

Targets

    • Target

      7140765CD0D5F61BB453F0511E24786E21D950C2CB3B3.exe

    • Size

      3.2MB

    • MD5

      556412f983de13496bbee4fd87e1a966

    • SHA1

      59beeba0a1e82ae41cbfcbec56ba8d30e3702f03

    • SHA256

      7140765cd0d5f61bb453f0511e24786e21d950c2cb3b30aa2945ba1846a4e0a5

    • SHA512

      10b65535e68a763dd216d246e30927144ffda2d1f5084d27758c1868383fc5386f5c8c08650fd1354d38fd8d5fc082588cee0cedc35dceecec9115ad63c7abbb

    • SSDEEP

      98304:JhXlDXkM77yrTrLG7Xk0+G94TksGWQKx7+g:JdVXkM3qrCzk0+G6IshhxCg

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • NyMaim

      NyMaim is a malware with various capabilities written in C++ and first seen in 2013.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks