General

  • Target

    d2a9a0eb35eebbefdf8d6f53a168a39ef9fb48fe67209d31553a4ff37b951fe4

  • Size

    1.6MB

  • Sample

    240612-gaphjasbml

  • MD5

    0a0da1bbaa2cadf76885617fd7592381

  • SHA1

    e06128129faa8ffc9b6b0264ab891ed21bab11ee

  • SHA256

    d2a9a0eb35eebbefdf8d6f53a168a39ef9fb48fe67209d31553a4ff37b951fe4

  • SHA512

    fb50276604db8432b0f9ed1beabdad94c8b54b577c98c1b8f954908483ea00c96668f7e5a8c5ba3247a266249a88d793db2d44ec05e4dd0f183c274a30ec7b67

  • SSDEEP

    24576:spM5863IGfTAVpalBNUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BNUkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      d2a9a0eb35eebbefdf8d6f53a168a39ef9fb48fe67209d31553a4ff37b951fe4

    • Size

      1.6MB

    • MD5

      0a0da1bbaa2cadf76885617fd7592381

    • SHA1

      e06128129faa8ffc9b6b0264ab891ed21bab11ee

    • SHA256

      d2a9a0eb35eebbefdf8d6f53a168a39ef9fb48fe67209d31553a4ff37b951fe4

    • SHA512

      fb50276604db8432b0f9ed1beabdad94c8b54b577c98c1b8f954908483ea00c96668f7e5a8c5ba3247a266249a88d793db2d44ec05e4dd0f183c274a30ec7b67

    • SSDEEP

      24576:spM5863IGfTAVpalBNUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BNUkxVVChjHZQs

    • 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