General

  • Target

    544f19b452e7b29fe8b34c05171108ad72cbd313303ffb97c183b6626d3029a5

  • Size

    700KB

  • Sample

    210921-2l4f2sddgl

  • MD5

    23b00fbcba2b4d9785a8588bf54207ab

  • SHA1

    5894e7e0486e0c3e0d167663aae2486e526a6dc7

  • SHA256

    544f19b452e7b29fe8b34c05171108ad72cbd313303ffb97c183b6626d3029a5

  • SHA512

    3a521589238e589c07e178eb24bfc9ec146db9a965b20e2fb0edb4653a676e2b66cd346898cdcc0d477ac1d8c4a3573e25df33e416ff19a6ccd6899567c21442

Malware Config

Extracted

Family

vidar

Version

40.9

Botnet

828

C2

https://stacenko668.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      544f19b452e7b29fe8b34c05171108ad72cbd313303ffb97c183b6626d3029a5

    • Size

      700KB

    • MD5

      23b00fbcba2b4d9785a8588bf54207ab

    • SHA1

      5894e7e0486e0c3e0d167663aae2486e526a6dc7

    • SHA256

      544f19b452e7b29fe8b34c05171108ad72cbd313303ffb97c183b6626d3029a5

    • SHA512

      3a521589238e589c07e178eb24bfc9ec146db9a965b20e2fb0edb4653a676e2b66cd346898cdcc0d477ac1d8c4a3573e25df33e416ff19a6ccd6899567c21442

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

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