General

  • Target

    7B5DF34C884CA7FC40B00B2B0653980E.exe

  • Size

    2.8MB

  • Sample

    210713-fnx7s47kve

  • MD5

    7b5df34c884ca7fc40b00b2b0653980e

  • SHA1

    1d8d4e2f3d2d440fb5d36196f11ef69157100009

  • SHA256

    0e2cd771a8f6129727797375520c5f316328876a2809efbcb9e684ff6371e4e5

  • SHA512

    01a92c373d55421be254ecf70a826213413a87216354971fa090415914d874b14aa51b6b362d9aba2e190b7e1f70e61286c866b03e8d7063c1739e49d2f97337

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

933

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.5

Botnet

865

C2

https://olegf9844.tumblr.com/

Attributes
  • profile_id

    865

Targets

    • Target

      7B5DF34C884CA7FC40B00B2B0653980E.exe

    • Size

      2.8MB

    • MD5

      7b5df34c884ca7fc40b00b2b0653980e

    • SHA1

      1d8d4e2f3d2d440fb5d36196f11ef69157100009

    • SHA256

      0e2cd771a8f6129727797375520c5f316328876a2809efbcb9e684ff6371e4e5

    • SHA512

      01a92c373d55421be254ecf70a826213413a87216354971fa090415914d874b14aa51b6b362d9aba2e190b7e1f70e61286c866b03e8d7063c1739e49d2f97337

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • 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 Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks