General

  • Target

    6492345e4d5c3b9d9e728b06ceb5361e414b4a4aa8ce45ec4f1dc454894015e7

  • Size

    2.4MB

  • Sample

    240524-fj3wvaeb7x

  • MD5

    5b0d2365b3c4aa3f575632d53a1093f6

  • SHA1

    70c22d1d38bd8d42433e7db2c1db47259f061c93

  • SHA256

    6492345e4d5c3b9d9e728b06ceb5361e414b4a4aa8ce45ec4f1dc454894015e7

  • SHA512

    5b25dedae2fb46ca9399a17c760fc94fd4ef93950d276b8cf6b37ba2de2875a4410913b01934733e1941c540349812f8d6ba471a760f3975b6b2ae33e936bd05

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

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

      6492345e4d5c3b9d9e728b06ceb5361e414b4a4aa8ce45ec4f1dc454894015e7

    • Size

      2.4MB

    • MD5

      5b0d2365b3c4aa3f575632d53a1093f6

    • SHA1

      70c22d1d38bd8d42433e7db2c1db47259f061c93

    • SHA256

      6492345e4d5c3b9d9e728b06ceb5361e414b4a4aa8ce45ec4f1dc454894015e7

    • SHA512

      5b25dedae2fb46ca9399a17c760fc94fd4ef93950d276b8cf6b37ba2de2875a4410913b01934733e1941c540349812f8d6ba471a760f3975b6b2ae33e936bd05

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

    • 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