General

  • Target

    0952c6b4e002890acf864d802bc00561cea2d1536db9e2b34d4a82a5d90bd439

  • Size

    2.0MB

  • Sample

    240526-dyhhcadb4v

  • MD5

    d289a050ce7c60f5d856c934de72876b

  • SHA1

    53fa550d795796598d4ed21fe8a7767760258aeb

  • SHA256

    0952c6b4e002890acf864d802bc00561cea2d1536db9e2b34d4a82a5d90bd439

  • SHA512

    53dc545d4ee98cda4adc08565da661db52e5bd75f68f77aa4fb043be8c27e039ae531008a93b25f59cf1074d57987b9162a314ecc23def41e0e633c27d6cd4cf

  • SSDEEP

    49152:s4K3x1vU6JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex186tIuoITsdZ

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

      0952c6b4e002890acf864d802bc00561cea2d1536db9e2b34d4a82a5d90bd439

    • Size

      2.0MB

    • MD5

      d289a050ce7c60f5d856c934de72876b

    • SHA1

      53fa550d795796598d4ed21fe8a7767760258aeb

    • SHA256

      0952c6b4e002890acf864d802bc00561cea2d1536db9e2b34d4a82a5d90bd439

    • SHA512

      53dc545d4ee98cda4adc08565da661db52e5bd75f68f77aa4fb043be8c27e039ae531008a93b25f59cf1074d57987b9162a314ecc23def41e0e633c27d6cd4cf

    • SSDEEP

      49152:s4K3x1vU6JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex186tIuoITsdZ

    • 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