Overview

overview

10

Static

static

3

c532b95bd3...c8.exe

windows7-x64

10

c532b95bd3...c8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c532b95bd3663050c27129ed679e8bdf59ba5bb49b377e7444d7489b5e2837c8

  • Size

    1.7MB

  • Sample

    240612-ek5amazhlc

  • MD5

    326b9cd09597a1fd65c3cd9ca82461e2

  • SHA1

    958cdf031a72c77d1a50570153022626a4fb585a

  • SHA256

    c532b95bd3663050c27129ed679e8bdf59ba5bb49b377e7444d7489b5e2837c8

  • SHA512

    4652dd54df047e39a327d43d7625f034f1f96447bdd289a668cae9257aac5e1c031f02bd36ca0853d580365cf2041d85c123a618f682022d81513913664d6df5

  • SSDEEP

    24576:JoZYQkmdrf+wUfMxVVtes12FxwojKr98YGeGG9iH:JPYxNUkxVVChjHZQsH

Score
10/10
stealcvidardiscoveryspywarestealer

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

      c532b95bd3663050c27129ed679e8bdf59ba5bb49b377e7444d7489b5e2837c8

    • Size

      1.7MB

    • MD5

      326b9cd09597a1fd65c3cd9ca82461e2

    • SHA1

      958cdf031a72c77d1a50570153022626a4fb585a

    • SHA256

      c532b95bd3663050c27129ed679e8bdf59ba5bb49b377e7444d7489b5e2837c8

    • SHA512

      4652dd54df047e39a327d43d7625f034f1f96447bdd289a668cae9257aac5e1c031f02bd36ca0853d580365cf2041d85c123a618f682022d81513913664d6df5

    • SSDEEP

      24576:JoZYQkmdrf+wUfMxVVtes12FxwojKr98YGeGG9iH:JPYxNUkxVVChjHZQsH

    Score
    10/10
    stealcvidardiscoveryspywarestealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables containing potential Windows Defender anti-emulation checks

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks