General

  • Target

    de048a4216c25fad22b270a84a625c185c10f8fe12d9734d3b57f21516ce80fd

  • Size

    2.0MB

  • Sample

    240526-hwg61sbg49

  • MD5

    3fd14c40f04a705d4b968563328cea83

  • SHA1

    950e660db41fdd721862e601deecd187d5578787

  • SHA256

    de048a4216c25fad22b270a84a625c185c10f8fe12d9734d3b57f21516ce80fd

  • SHA512

    378abce626ff480cedcbc4d50276042a1e0eb6fe901f8c05edb18efeeb8bcad0edc30fa5e57b2a87581c74a8b805ee3b84c991d12a9f53eeeaba36275732b56a

  • 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

      de048a4216c25fad22b270a84a625c185c10f8fe12d9734d3b57f21516ce80fd

    • Size

      2.0MB

    • MD5

      3fd14c40f04a705d4b968563328cea83

    • SHA1

      950e660db41fdd721862e601deecd187d5578787

    • SHA256

      de048a4216c25fad22b270a84a625c185c10f8fe12d9734d3b57f21516ce80fd

    • SHA512

      378abce626ff480cedcbc4d50276042a1e0eb6fe901f8c05edb18efeeb8bcad0edc30fa5e57b2a87581c74a8b805ee3b84c991d12a9f53eeeaba36275732b56a

    • 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