General

  • Target

    ec5c095eb8718cc29c586765a7d779fbad1ab2ad21124bda2610200762f32130

  • Size

    6.3MB

  • Sample

    221005-1hwrcsfga9

  • MD5

    46155f0e5175c41f21442e61298560f7

  • SHA1

    ffd644c2e034229bd06d2e25e3565041ea9984b5

  • SHA256

    ec5c095eb8718cc29c586765a7d779fbad1ab2ad21124bda2610200762f32130

  • SHA512

    b078a49defb9b3cea7954cb69a839c17d39ff064573ed79bd8404550d3c0644dfba1da6ba65d7c396443939dd5ae67523985f16c7ba967895623f99a3ef16f71

  • SSDEEP

    98304:mKPLFnyzN2vPLgeMYbvvB5j5v1SZzIf9VDCCmVaztNQ1lvrBWyBgakd06:tyYvPLgeMYbvvnSNC9w0zt2Zg4gxm

Malware Config

Extracted

Family

vidar

Version

54.9

Botnet

1681

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes
  • profile_id

    1681

Targets

    • Target

      ec5c095eb8718cc29c586765a7d779fbad1ab2ad21124bda2610200762f32130

    • Size

      6.3MB

    • MD5

      46155f0e5175c41f21442e61298560f7

    • SHA1

      ffd644c2e034229bd06d2e25e3565041ea9984b5

    • SHA256

      ec5c095eb8718cc29c586765a7d779fbad1ab2ad21124bda2610200762f32130

    • SHA512

      b078a49defb9b3cea7954cb69a839c17d39ff064573ed79bd8404550d3c0644dfba1da6ba65d7c396443939dd5ae67523985f16c7ba967895623f99a3ef16f71

    • SSDEEP

      98304:mKPLFnyzN2vPLgeMYbvvB5j5v1SZzIf9VDCCmVaztNQ1lvrBWyBgakd06:tyYvPLgeMYbvvnSNC9w0zt2Zg4gxm

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks