General

  • Target

    8aae3ce902d52430146f97d9f0cf3b5dbdc349e717e01147498263c8cb142fc2

  • Size

    658KB

  • Sample

    210921-nz4r3shde2

  • MD5

    92edb0ce961a8ad1af48c98a5465e6e2

  • SHA1

    667d32c923b34d482de03020692b0f3f559e1e80

  • SHA256

    8aae3ce902d52430146f97d9f0cf3b5dbdc349e717e01147498263c8cb142fc2

  • SHA512

    b5efcc5c96fa17575dd8a370aeca30e382023d67e320e734d6bf52bf6ceba7db6f3886f476a08b415f7f0deca8749fdc7a2a3e64c9933724b433c7563795d8af

Malware Config

Extracted

Family

vidar

Version

40.8

Botnet

828

C2

https://pavlovoler.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      8aae3ce902d52430146f97d9f0cf3b5dbdc349e717e01147498263c8cb142fc2

    • Size

      658KB

    • MD5

      92edb0ce961a8ad1af48c98a5465e6e2

    • SHA1

      667d32c923b34d482de03020692b0f3f559e1e80

    • SHA256

      8aae3ce902d52430146f97d9f0cf3b5dbdc349e717e01147498263c8cb142fc2

    • SHA512

      b5efcc5c96fa17575dd8a370aeca30e382023d67e320e734d6bf52bf6ceba7db6f3886f476a08b415f7f0deca8749fdc7a2a3e64c9933724b433c7563795d8af

    • 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