General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    230202-w4bk4aef5v

  • MD5

    094506dab589aa3933fe28379d607e4e

  • SHA1

    78b35e6e1c254f31079ea22a35fe5e0dde83848b

  • SHA256

    8b45ddb55c917429dad237eac7bce95e29808c4157d098956144d19f247a1c0d

  • SHA512

    5464a20e13a087fc56e441543d1182e2c7c80abd0156084d162a5b35cf0a357838b607f7956e07da6436ddc75abb22d7485c724b5770a6859f34d556ae0caa0e

  • SSDEEP

    49152:ex04mKYkbtgQ/MwW/qvf7RZoVZZOHTjqFfK5r9oQSP1vh4CTRCC2OFj2OFS3:8juTq9zzWk99o11vhbTRCH3

Malware Config

Extracted

Family

vidar

Version

2.3

Botnet

886

C2

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes
  • profile_id

    886

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      094506dab589aa3933fe28379d607e4e

    • SHA1

      78b35e6e1c254f31079ea22a35fe5e0dde83848b

    • SHA256

      8b45ddb55c917429dad237eac7bce95e29808c4157d098956144d19f247a1c0d

    • SHA512

      5464a20e13a087fc56e441543d1182e2c7c80abd0156084d162a5b35cf0a357838b607f7956e07da6436ddc75abb22d7485c724b5770a6859f34d556ae0caa0e

    • SSDEEP

      49152:ex04mKYkbtgQ/MwW/qvf7RZoVZZOHTjqFfK5r9oQSP1vh4CTRCC2OFj2OFS3:8juTq9zzWk99o11vhbTRCH3

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • 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 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks