General

  • Target

    a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19

  • Size

    2.0MB

  • Sample

    240527-geyl1aah64

  • MD5

    690c0efa314a7d62bba056967aa34753

  • SHA1

    05b48c7aa8c00c8bb2cfc4d65303b2dea4efe1d9

  • SHA256

    a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19

  • SHA512

    45fc74831f36640cf9668af654032a17a9f1b7e7a82a581e3e211cf34e05109d3da2e4a1224cc350ca309d087cf43e2a8a35524fa8ceae278b4db8b3f2606f60

  • SSDEEP

    49152:OePpQE5JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE5tIuoITsdZ

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

      a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19

    • Size

      2.0MB

    • MD5

      690c0efa314a7d62bba056967aa34753

    • SHA1

      05b48c7aa8c00c8bb2cfc4d65303b2dea4efe1d9

    • SHA256

      a7e44a227fc68ffa7277a9ee0f1921fcad9cba47838d6fecb9c20a026eb75a19

    • SHA512

      45fc74831f36640cf9668af654032a17a9f1b7e7a82a581e3e211cf34e05109d3da2e4a1224cc350ca309d087cf43e2a8a35524fa8ceae278b4db8b3f2606f60

    • SSDEEP

      49152:OePpQE5JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE5tIuoITsdZ

    • 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