General

  • Target

    8e0a29231f5a8e5e29969d94392e610d2f66fcca102ec2c833100206d5e50f4c

  • Size

    2.0MB

  • Sample

    240525-zhp35shg6t

  • MD5

    a4489000bf0d63af6d171c3b1aa22c63

  • SHA1

    d8212bc36523360ad0dc97952311420e9d234aa6

  • SHA256

    8e0a29231f5a8e5e29969d94392e610d2f66fcca102ec2c833100206d5e50f4c

  • SHA512

    180761e83655394904143a92aeadf1aa3ebd8e97677e451a1edc81dfc82514f971665efb71c75a2d5811c9058866a8e2b80c212769cfc3b245afd89317d7d176

  • SSDEEP

    49152:s4K3x1vUGJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18GtIuoITsdZ

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

      8e0a29231f5a8e5e29969d94392e610d2f66fcca102ec2c833100206d5e50f4c

    • Size

      2.0MB

    • MD5

      a4489000bf0d63af6d171c3b1aa22c63

    • SHA1

      d8212bc36523360ad0dc97952311420e9d234aa6

    • SHA256

      8e0a29231f5a8e5e29969d94392e610d2f66fcca102ec2c833100206d5e50f4c

    • SHA512

      180761e83655394904143a92aeadf1aa3ebd8e97677e451a1edc81dfc82514f971665efb71c75a2d5811c9058866a8e2b80c212769cfc3b245afd89317d7d176

    • SSDEEP

      49152:s4K3x1vUGJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18GtIuoITsdZ

    • 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