General

  • Target

    d2566ff23b49b3b52f990b3abce8216e73089cf01f36e3ef9453c86ddb958bb8

  • Size

    2.0MB

  • Sample

    240525-dhnpescc4x

  • MD5

    bc466f313894e62e1844efb3191240f7

  • SHA1

    06088ac6b7bea298a01084cdef976860527c1e71

  • SHA256

    d2566ff23b49b3b52f990b3abce8216e73089cf01f36e3ef9453c86ddb958bb8

  • SHA512

    d5d3622b94eefebe54b8e1eec7ebdf173d6ff37f53cc13c84c57fc95aaa3f3e93dda46f7c25863dc52d45c00ea04892c10538125596317373b97b2dce0491a83

  • SSDEEP

    49152:s4K3x1vU2JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex182tIuoITsdZ

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

      d2566ff23b49b3b52f990b3abce8216e73089cf01f36e3ef9453c86ddb958bb8

    • Size

      2.0MB

    • MD5

      bc466f313894e62e1844efb3191240f7

    • SHA1

      06088ac6b7bea298a01084cdef976860527c1e71

    • SHA256

      d2566ff23b49b3b52f990b3abce8216e73089cf01f36e3ef9453c86ddb958bb8

    • SHA512

      d5d3622b94eefebe54b8e1eec7ebdf173d6ff37f53cc13c84c57fc95aaa3f3e93dda46f7c25863dc52d45c00ea04892c10538125596317373b97b2dce0491a83

    • SSDEEP

      49152:s4K3x1vU2JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex182tIuoITsdZ

    • 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