General

  • Target

    d7161d5bfebf3d6c77ef73c5c14608cca41d85870ab3f8fe6058e13efe988d4e

  • Size

    2.2MB

  • Sample

    240701-fcfgzawgpc

  • MD5

    6629a70398979c9b6f60a9bc304585a8

  • SHA1

    7d1d3c963c041039d3a120f7e89b3fd64a396cd9

  • SHA256

    d7161d5bfebf3d6c77ef73c5c14608cca41d85870ab3f8fe6058e13efe988d4e

  • SHA512

    23872c3e3483956523d75d27011c72a743f9dcc061f04ae2ee7fbc1a9cc89973cd4fb5e2d1d06b7eaceb943447beedb33ca157754eb943dbb5f3a9174d67342c

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX7/U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPI21tuuIeNHYGY0LzjsJxK

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

      d7161d5bfebf3d6c77ef73c5c14608cca41d85870ab3f8fe6058e13efe988d4e

    • Size

      2.2MB

    • MD5

      6629a70398979c9b6f60a9bc304585a8

    • SHA1

      7d1d3c963c041039d3a120f7e89b3fd64a396cd9

    • SHA256

      d7161d5bfebf3d6c77ef73c5c14608cca41d85870ab3f8fe6058e13efe988d4e

    • SHA512

      23872c3e3483956523d75d27011c72a743f9dcc061f04ae2ee7fbc1a9cc89973cd4fb5e2d1d06b7eaceb943447beedb33ca157754eb943dbb5f3a9174d67342c

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX7/U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPI21tuuIeNHYGY0LzjsJxK

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks