General

  • Target

    a24f1ae9f9cc7bfa55150e66d79bed1045fb33141754f34cec2dbb42dc613b8c

  • Size

    2.4MB

  • Sample

    240607-a2hqqsff47

  • MD5

    df1fea90f15903a62cdc7cd69fa172bb

  • SHA1

    92211b157714b7dbd50e6a323d8c90ca2b29c0b8

  • SHA256

    a24f1ae9f9cc7bfa55150e66d79bed1045fb33141754f34cec2dbb42dc613b8c

  • SHA512

    1db3d8caeb90fd0138e0094e29647d0a7dd495a23773feeb6273298cbd66f519c8a96561a07804e0284d381a88e4fe5ea7b2bbec4c4a99289aa2ff591b97172a

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      a24f1ae9f9cc7bfa55150e66d79bed1045fb33141754f34cec2dbb42dc613b8c

    • Size

      2.4MB

    • MD5

      df1fea90f15903a62cdc7cd69fa172bb

    • SHA1

      92211b157714b7dbd50e6a323d8c90ca2b29c0b8

    • SHA256

      a24f1ae9f9cc7bfa55150e66d79bed1045fb33141754f34cec2dbb42dc613b8c

    • SHA512

      1db3d8caeb90fd0138e0094e29647d0a7dd495a23773feeb6273298cbd66f519c8a96561a07804e0284d381a88e4fe5ea7b2bbec4c4a99289aa2ff591b97172a

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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

    • Loads dropped DLL

    • 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