General

  • Target

    8bc18f63ae815f16a5af4c2c3ed9de2c97c03545e33435df146d757b71bac654

  • Size

    2.0MB

  • Sample

    240525-lfkhzsce9y

  • MD5

    30a42cef4b589eddb44aa617b09617cf

  • SHA1

    bceb2ec583929e3c5b6e2e0a48884794302a12bc

  • SHA256

    8bc18f63ae815f16a5af4c2c3ed9de2c97c03545e33435df146d757b71bac654

  • SHA512

    d5074fb71a94f76eed3de3424f11ef5d857d700a933a730902d96824c76fa0d7c1bda363c94e62d2e96d08720a8449fecdc2fbae36ad2a6777091170e66b0b16

  • SSDEEP

    49152:s4K3x1vU+JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18+tIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

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

Targets

    • Target

      8bc18f63ae815f16a5af4c2c3ed9de2c97c03545e33435df146d757b71bac654

    • Size

      2.0MB

    • MD5

      30a42cef4b589eddb44aa617b09617cf

    • SHA1

      bceb2ec583929e3c5b6e2e0a48884794302a12bc

    • SHA256

      8bc18f63ae815f16a5af4c2c3ed9de2c97c03545e33435df146d757b71bac654

    • SHA512

      d5074fb71a94f76eed3de3424f11ef5d857d700a933a730902d96824c76fa0d7c1bda363c94e62d2e96d08720a8449fecdc2fbae36ad2a6777091170e66b0b16

    • SSDEEP

      49152:s4K3x1vU+JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18+tIuoITsdZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks