General

  • Target

    aab4e3371262924424ce4f526688cc45f0407391913075761c24246c8ed0800f

  • Size

    2.4MB

  • Sample

    240524-pq79kscc53

  • MD5

    a02c231adca843b6b3e0333d8f180f3a

  • SHA1

    6fb84e070356e6f01804b30d258e8809b14af766

  • SHA256

    aab4e3371262924424ce4f526688cc45f0407391913075761c24246c8ed0800f

  • SHA512

    54a0e662f06ed67aa4b8430ec4507aa3bdf83e6c85e8ce774d7bf5de84798113427447b34a832244953a6b8dca4341d52d208609ef3db5061fba95284ac4c8a2

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUqJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dqtIuoITsdZ

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

      aab4e3371262924424ce4f526688cc45f0407391913075761c24246c8ed0800f

    • Size

      2.4MB

    • MD5

      a02c231adca843b6b3e0333d8f180f3a

    • SHA1

      6fb84e070356e6f01804b30d258e8809b14af766

    • SHA256

      aab4e3371262924424ce4f526688cc45f0407391913075761c24246c8ed0800f

    • SHA512

      54a0e662f06ed67aa4b8430ec4507aa3bdf83e6c85e8ce774d7bf5de84798113427447b34a832244953a6b8dca4341d52d208609ef3db5061fba95284ac4c8a2

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUqJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dqtIuoITsdZ

    • 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