General

  • Target

    e1632c1b937ee487f2e16c96cd193fb00fb4797c7318e2ee207c2cc133c27ba1

  • Size

    2.0MB

  • Sample

    240526-q7f24agg3w

  • MD5

    51c394261228b6294bb36401d297096b

  • SHA1

    b1c28149369d9419a6f31d4867a890bf049a382e

  • SHA256

    e1632c1b937ee487f2e16c96cd193fb00fb4797c7318e2ee207c2cc133c27ba1

  • SHA512

    0cca5869da11137650450f859277864024015d320f1bee979deab66ff9073c64460e54ad1818f399f3a03e97771491297097ac272bbbc59208ae1f0f76090692

  • SSDEEP

    49152:OePpQE9JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE9tIuoITsdZ

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

      e1632c1b937ee487f2e16c96cd193fb00fb4797c7318e2ee207c2cc133c27ba1

    • Size

      2.0MB

    • MD5

      51c394261228b6294bb36401d297096b

    • SHA1

      b1c28149369d9419a6f31d4867a890bf049a382e

    • SHA256

      e1632c1b937ee487f2e16c96cd193fb00fb4797c7318e2ee207c2cc133c27ba1

    • SHA512

      0cca5869da11137650450f859277864024015d320f1bee979deab66ff9073c64460e54ad1818f399f3a03e97771491297097ac272bbbc59208ae1f0f76090692

    • SSDEEP

      49152:OePpQE9JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE9tIuoITsdZ

    • 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