General

  • Target

    113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee

  • Size

    2.2MB

  • Sample

    240628-2yjx6sxenr

  • MD5

    854ca1d141228bad520c0d16310a9c9a

  • SHA1

    cdbb28fb50bf7f9567132d20315d3f09a24cccb4

  • SHA256

    113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee

  • SHA512

    d83d9dc2fc494c038e77874ca6f38bd33b59d5808db559d9b568306ad78b7d87ffaa93a1ccdd7db5c9d1506f8e29e82975d6a696f6bebd594bb1d714087ad695

  • SSDEEP

    49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee

    • Size

      2.2MB

    • MD5

      854ca1d141228bad520c0d16310a9c9a

    • SHA1

      cdbb28fb50bf7f9567132d20315d3f09a24cccb4

    • SHA256

      113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee

    • SHA512

      d83d9dc2fc494c038e77874ca6f38bd33b59d5808db559d9b568306ad78b7d87ffaa93a1ccdd7db5c9d1506f8e29e82975d6a696f6bebd594bb1d714087ad695

    • SSDEEP

      49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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