General

  • Target

    de51e75e236fb225b0990bd241c34d77d30eca41c392b9e2cfe5677572a9d0c1

  • Size

    2.0MB

  • Sample

    240525-peqkdsaa6w

  • MD5

    2c57d9da526fd380e153e84b9c8300ad

  • SHA1

    d746fe7fe4880a57b5283ecb973ce388516af547

  • SHA256

    de51e75e236fb225b0990bd241c34d77d30eca41c392b9e2cfe5677572a9d0c1

  • SHA512

    31ab8dba0357afd20dadc3ead774d938df109871c172b5f62915d0be5591a1addce7617bc630039b40c0fdd920ed91a0c632c8ff5c2ebcfa847fa398478966d9

  • SSDEEP

    49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ

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

      de51e75e236fb225b0990bd241c34d77d30eca41c392b9e2cfe5677572a9d0c1

    • Size

      2.0MB

    • MD5

      2c57d9da526fd380e153e84b9c8300ad

    • SHA1

      d746fe7fe4880a57b5283ecb973ce388516af547

    • SHA256

      de51e75e236fb225b0990bd241c34d77d30eca41c392b9e2cfe5677572a9d0c1

    • SHA512

      31ab8dba0357afd20dadc3ead774d938df109871c172b5f62915d0be5591a1addce7617bc630039b40c0fdd920ed91a0c632c8ff5c2ebcfa847fa398478966d9

    • SSDEEP

      49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ

    • 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