General

  • Target

    6382174601bf02a6f9b09303d4c7febf.exe

  • Size

    551KB

  • Sample

    210719-tf378tglys

  • MD5

    6382174601bf02a6f9b09303d4c7febf

  • SHA1

    6af4c812ba7acc3e5a7237f4dfd7e013915aeda7

  • SHA256

    9706247fdb847874ca3fad6229787e37299be25d938af865a8e5b132bf313b89

  • SHA512

    62a24678c137367416613c34a4c7568a2323f264da5f59555a63d54b1b33ffbc94fd1d8c910c799383a91769809b72ebd0e0e61f617e1a784bcd4115d1098132

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

903

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    903

Targets

    • Target

      6382174601bf02a6f9b09303d4c7febf.exe

    • Size

      551KB

    • MD5

      6382174601bf02a6f9b09303d4c7febf

    • SHA1

      6af4c812ba7acc3e5a7237f4dfd7e013915aeda7

    • SHA256

      9706247fdb847874ca3fad6229787e37299be25d938af865a8e5b132bf313b89

    • SHA512

      62a24678c137367416613c34a4c7568a2323f264da5f59555a63d54b1b33ffbc94fd1d8c910c799383a91769809b72ebd0e0e61f617e1a784bcd4115d1098132

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks