General

  • Target

    449d98add5020810b645d344f33ac5c002d68ed25909c7fd55edc0d48a32f8d9

  • Size

    2.4MB

  • Sample

    240529-mh78habe7w

  • MD5

    01593e47e24fe7a994fc188c04660ae4

  • SHA1

    73085b82c3bcd5c60902a25c781f0e88208f28a6

  • SHA256

    449d98add5020810b645d344f33ac5c002d68ed25909c7fd55edc0d48a32f8d9

  • SHA512

    3e390127ad29404f6310269b241a119f73dcfe6885c334adf33e1499158766a2d5b40e219a5a1be14061e5493982d97c12bd8a02b5e19429ec5d55b51db57c0e

  • SSDEEP

    49152:OBX5/0mLBI1Jd6JtTF+TxMoxc1TU+j+dAzGwlrh:OBX5/0mAEtIuoITsdZ

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

      449d98add5020810b645d344f33ac5c002d68ed25909c7fd55edc0d48a32f8d9

    • Size

      2.4MB

    • MD5

      01593e47e24fe7a994fc188c04660ae4

    • SHA1

      73085b82c3bcd5c60902a25c781f0e88208f28a6

    • SHA256

      449d98add5020810b645d344f33ac5c002d68ed25909c7fd55edc0d48a32f8d9

    • SHA512

      3e390127ad29404f6310269b241a119f73dcfe6885c334adf33e1499158766a2d5b40e219a5a1be14061e5493982d97c12bd8a02b5e19429ec5d55b51db57c0e

    • SSDEEP

      49152:OBX5/0mLBI1Jd6JtTF+TxMoxc1TU+j+dAzGwlrh:OBX5/0mAEtIuoITsdZ

    • 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