General

  • Target

    e18e27680c53d972d62cccc2bb9c467e

  • Size

    486KB

  • Sample

    210715-fdetsxg7x6

  • MD5

    e18e27680c53d972d62cccc2bb9c467e

  • SHA1

    f9f5eba70dcce6e4df182d2d2b160de61350c894

  • SHA256

    419c0ec8639bbed490688e2811ddd0cd193da81096ad07724b7afb1e51de351b

  • SHA512

    6443416175d8182c1d996b040749693a37f1d7e2d87b73475736aa1f0492eae47f7aca6c8df29b5b737ed8cc8a282d3e89a04f1355593a8ce101466c38baed9e

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

903

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    903

Targets

    • Target

      e18e27680c53d972d62cccc2bb9c467e

    • Size

      486KB

    • MD5

      e18e27680c53d972d62cccc2bb9c467e

    • SHA1

      f9f5eba70dcce6e4df182d2d2b160de61350c894

    • SHA256

      419c0ec8639bbed490688e2811ddd0cd193da81096ad07724b7afb1e51de351b

    • SHA512

      6443416175d8182c1d996b040749693a37f1d7e2d87b73475736aa1f0492eae47f7aca6c8df29b5b737ed8cc8a282d3e89a04f1355593a8ce101466c38baed9e

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Deletes itself

    • 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