General

  • Target

    ccd3c37bd3b3e1886ecd67b6d4cc199b9c2bbe8a496d9c8d1cb444fc2088b6c6

  • Size

    2.0MB

  • Sample

    240527-gl741sac5v

  • MD5

    54a630f3a3d39f658bb1ba5047d7e97f

  • SHA1

    dcc2a0f217f14da0cbc04668c18709cf4391c736

  • SHA256

    ccd3c37bd3b3e1886ecd67b6d4cc199b9c2bbe8a496d9c8d1cb444fc2088b6c6

  • SHA512

    916b3e4aa835747f2b9203a67322b0c28d759f00859be489713eb0c14546cfe0a21fdaa11c2a6a1cc4da06e6308c2aeb4a7a0269dab8ecce18125232ea2d897d

  • SSDEEP

    49152:OePpQEdJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEdtIuoITsdZ

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

      ccd3c37bd3b3e1886ecd67b6d4cc199b9c2bbe8a496d9c8d1cb444fc2088b6c6

    • Size

      2.0MB

    • MD5

      54a630f3a3d39f658bb1ba5047d7e97f

    • SHA1

      dcc2a0f217f14da0cbc04668c18709cf4391c736

    • SHA256

      ccd3c37bd3b3e1886ecd67b6d4cc199b9c2bbe8a496d9c8d1cb444fc2088b6c6

    • SHA512

      916b3e4aa835747f2b9203a67322b0c28d759f00859be489713eb0c14546cfe0a21fdaa11c2a6a1cc4da06e6308c2aeb4a7a0269dab8ecce18125232ea2d897d

    • SSDEEP

      49152:OePpQEdJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEdtIuoITsdZ

    • 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