General

  • Target

    cee5d19fa52cf31c932116a9194fb5684f73dc154e91f05eb007ee949f63165a

  • Size

    1.9MB

  • Sample

    240527-l8fqhaga91

  • MD5

    98eebae2d555b4e78144e974efe91f01

  • SHA1

    c321ae09b5f7a4b72e607ddb99764fdb10ffb085

  • SHA256

    cee5d19fa52cf31c932116a9194fb5684f73dc154e91f05eb007ee949f63165a

  • SHA512

    1f687d611a05e68480d817d62591adcdbaccd63bb7ddfa25bec0d7cdc312de9e1d7ce147b7b0239f78d836c2799d01c2403628ca6a9d4bf76adc3cd6fe362c1a

  • SSDEEP

    49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnltIuoITsdZ

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

      cee5d19fa52cf31c932116a9194fb5684f73dc154e91f05eb007ee949f63165a

    • Size

      1.9MB

    • MD5

      98eebae2d555b4e78144e974efe91f01

    • SHA1

      c321ae09b5f7a4b72e607ddb99764fdb10ffb085

    • SHA256

      cee5d19fa52cf31c932116a9194fb5684f73dc154e91f05eb007ee949f63165a

    • SHA512

      1f687d611a05e68480d817d62591adcdbaccd63bb7ddfa25bec0d7cdc312de9e1d7ce147b7b0239f78d836c2799d01c2403628ca6a9d4bf76adc3cd6fe362c1a

    • SSDEEP

      49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnltIuoITsdZ

    • 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