General

  • Target

    ba7234a609c259363ffaa7d591b504a7f32d5b84a78493c61fdf4aa52dc92d7f

  • Size

    1.9MB

  • Sample

    240527-pzphtscf7x

  • MD5

    b44e4a0aa1f1c8e84e7fc30599ad484f

  • SHA1

    a0b106e25f7cfa7fc705ceb47050daffc72b6364

  • SHA256

    ba7234a609c259363ffaa7d591b504a7f32d5b84a78493c61fdf4aa52dc92d7f

  • SHA512

    2298d94230863021703ee4ec7dcedddfaba43823a7d76426aa1b4891ba199556674038d3bd22867c45fe099810cfa23def48cc707dc116c6fb4143bcd2b6515f

  • SSDEEP

    49152:CdKfTn6vOJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ

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

      ba7234a609c259363ffaa7d591b504a7f32d5b84a78493c61fdf4aa52dc92d7f

    • Size

      1.9MB

    • MD5

      b44e4a0aa1f1c8e84e7fc30599ad484f

    • SHA1

      a0b106e25f7cfa7fc705ceb47050daffc72b6364

    • SHA256

      ba7234a609c259363ffaa7d591b504a7f32d5b84a78493c61fdf4aa52dc92d7f

    • SHA512

      2298d94230863021703ee4ec7dcedddfaba43823a7d76426aa1b4891ba199556674038d3bd22867c45fe099810cfa23def48cc707dc116c6fb4143bcd2b6515f

    • SSDEEP

      49152:CdKfTn6vOJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ

    • 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