General

  • Target

    edcce638861b5de18ebcabd65b8fd2b07211275bb539a1743643a79b9aab146c

  • Size

    2.0MB

  • Sample

    240526-khx2esce9y

  • MD5

    a9c149590d54631451e8bed277ffc1a5

  • SHA1

    874c50f554d8804e36def971e25d4b755ab97e15

  • SHA256

    edcce638861b5de18ebcabd65b8fd2b07211275bb539a1743643a79b9aab146c

  • SHA512

    75468b175ac5d746d42cae04366d807c4c5951bd890740b6d485a443e342f125170ff4979c0c649eebd2b6a228224246b9c0b78c2da62ca17ac1a9e516bb8c90

  • SSDEEP

    49152:s4K3x1vUeJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18etIuoITsdZ

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

      edcce638861b5de18ebcabd65b8fd2b07211275bb539a1743643a79b9aab146c

    • Size

      2.0MB

    • MD5

      a9c149590d54631451e8bed277ffc1a5

    • SHA1

      874c50f554d8804e36def971e25d4b755ab97e15

    • SHA256

      edcce638861b5de18ebcabd65b8fd2b07211275bb539a1743643a79b9aab146c

    • SHA512

      75468b175ac5d746d42cae04366d807c4c5951bd890740b6d485a443e342f125170ff4979c0c649eebd2b6a228224246b9c0b78c2da62ca17ac1a9e516bb8c90

    • SSDEEP

      49152:s4K3x1vUeJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18etIuoITsdZ

    • 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 Enterprise v15

Tasks