General

  • Target

    fd037084c9ea6aae2c48f8d50c314823c4d8064e1f3483b3f1b649795613fdb5

  • Size

    341KB

  • Sample

    221204-kpz5csdc24

  • MD5

    50d1209aa6b0a945d2b2d48df5011320

  • SHA1

    5f986a05b318de242cbdd9052f979459c13260bb

  • SHA256

    fd037084c9ea6aae2c48f8d50c314823c4d8064e1f3483b3f1b649795613fdb5

  • SHA512

    a99420c6ee44b53a65a4810487b6d3c995a604c741ecb90701cb93ed6ffa2906e12f6c2b984dcd16de4eb5d0edf1155676b43870a6a0ae952bf5ec4b47ae1936

  • SSDEEP

    6144:42eo3G4NEohrBgl4SljGT/Yymlgl5WZG1PK:42eo3me6B6/YyWglUZG

Malware Config

Extracted

Family

vidar

Version

56

Botnet

1148

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    1148

Targets

    • Target

      fd037084c9ea6aae2c48f8d50c314823c4d8064e1f3483b3f1b649795613fdb5

    • Size

      341KB

    • MD5

      50d1209aa6b0a945d2b2d48df5011320

    • SHA1

      5f986a05b318de242cbdd9052f979459c13260bb

    • SHA256

      fd037084c9ea6aae2c48f8d50c314823c4d8064e1f3483b3f1b649795613fdb5

    • SHA512

      a99420c6ee44b53a65a4810487b6d3c995a604c741ecb90701cb93ed6ffa2906e12f6c2b984dcd16de4eb5d0edf1155676b43870a6a0ae952bf5ec4b47ae1936

    • SSDEEP

      6144:42eo3G4NEohrBgl4SljGT/Yymlgl5WZG1PK:42eo3me6B6/YyWglUZG

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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.

    • Uses the VBS compiler for execution

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks