General

  • Target

    b1e4435d0ad9130d9f1a6355454883cc

  • Size

    563KB

  • Sample

    210730-cjqbcf7ngj

  • MD5

    b1e4435d0ad9130d9f1a6355454883cc

  • SHA1

    cc6fa54f06ec39e87b2fcbe1dfab3330edd913fd

  • SHA256

    a7871004d96e99be9bc56c380d202abe563cf9693b5603cc2104608e292de247

  • SHA512

    e8c26e22434ae91631b16455d2bde6de15533e89ad6db7e3a3f28473242ece632ec775be2f984d422a0ecf44b11c0dfab42b0283dd35380326ef5ff6c50cee6e

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target

      b1e4435d0ad9130d9f1a6355454883cc

    • Size

      563KB

    • MD5

      b1e4435d0ad9130d9f1a6355454883cc

    • SHA1

      cc6fa54f06ec39e87b2fcbe1dfab3330edd913fd

    • SHA256

      a7871004d96e99be9bc56c380d202abe563cf9693b5603cc2104608e292de247

    • SHA512

      e8c26e22434ae91631b16455d2bde6de15533e89ad6db7e3a3f28473242ece632ec775be2f984d422a0ecf44b11c0dfab42b0283dd35380326ef5ff6c50cee6e

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • 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

    • 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