General

  • Target

    3b9b064128388f9a40e71c0726443b6c6581b3052fab414ccf9da4628b338039

  • Size

    1.6MB

  • Sample

    240612-hstewatdjb

  • MD5

    d5bfec0cf5a2b571977b26d43d598653

  • SHA1

    abe31d6be670d07fd92e7a16547b3e23c39906f4

  • SHA256

    3b9b064128388f9a40e71c0726443b6c6581b3052fab414ccf9da4628b338039

  • SHA512

    dc895e07531c1e8cbe5c21d87974f90cd46b20fb7581443bb7cac22d30e011754d23a74316dc44db8377816336c6a9a71ff79dfce09facd3030c6cb59d4ade04

  • SSDEEP

    24576:spM5863IGfTAVpalB+UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B+UkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      3b9b064128388f9a40e71c0726443b6c6581b3052fab414ccf9da4628b338039

    • Size

      1.6MB

    • MD5

      d5bfec0cf5a2b571977b26d43d598653

    • SHA1

      abe31d6be670d07fd92e7a16547b3e23c39906f4

    • SHA256

      3b9b064128388f9a40e71c0726443b6c6581b3052fab414ccf9da4628b338039

    • SHA512

      dc895e07531c1e8cbe5c21d87974f90cd46b20fb7581443bb7cac22d30e011754d23a74316dc44db8377816336c6a9a71ff79dfce09facd3030c6cb59d4ade04

    • SSDEEP

      24576:spM5863IGfTAVpalB+UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B+UkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks