General

  • Target

    ecc36878da56a152f130466dcbda7cf72f06c9db1f025cb53bb6b86aea93ab3f

  • Size

    2.0MB

  • Sample

    240525-q13yaaee4y

  • MD5

    c0f64200ad04ece4c54cf498ba0f169c

  • SHA1

    4992485cbd4c085f882f951215ad51398e93de10

  • SHA256

    ecc36878da56a152f130466dcbda7cf72f06c9db1f025cb53bb6b86aea93ab3f

  • SHA512

    6a1a357f27349b3c9b9dd325470a57af451399e7de25509acab8e4d17b224d79771c861cdca401c1223f55a8ebf5322cf9d2c63275bae7c53ba199b07a74f044

  • 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

      ecc36878da56a152f130466dcbda7cf72f06c9db1f025cb53bb6b86aea93ab3f

    • Size

      2.0MB

    • MD5

      c0f64200ad04ece4c54cf498ba0f169c

    • SHA1

      4992485cbd4c085f882f951215ad51398e93de10

    • SHA256

      ecc36878da56a152f130466dcbda7cf72f06c9db1f025cb53bb6b86aea93ab3f

    • SHA512

      6a1a357f27349b3c9b9dd325470a57af451399e7de25509acab8e4d17b224d79771c861cdca401c1223f55a8ebf5322cf9d2c63275bae7c53ba199b07a74f044

    • 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