Overview

overview

10

Static

static

3

504a12fa57...2c.exe

windows7-x64

10

504a12fa57...2c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    504a12fa57c87fb97d3c91c380fbeeca70dc61dc55a95f2f707fea9f729b642c.exe

  • Size

    2.4MB

  • Sample

    240524-n4wl9sgh5s

  • MD5

    50e77db43cb548091e700a381bc74eb5

  • SHA1

    c48f494096a79029a432b0b7550cc912a9b694f7

  • SHA256

    504a12fa57c87fb97d3c91c380fbeeca70dc61dc55a95f2f707fea9f729b642c

  • SHA512

    1170840d06818a2c2ca5ef4f74f91a24edf14a4b568f9790e3cdbacfae88cb8d2396dcac491b0ae4d6c210ff4627191955521d017a39d3d74bf2a3798bc6525e

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUeJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68detIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

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

      504a12fa57c87fb97d3c91c380fbeeca70dc61dc55a95f2f707fea9f729b642c.exe

    • Size

      2.4MB

    • MD5

      50e77db43cb548091e700a381bc74eb5

    • SHA1

      c48f494096a79029a432b0b7550cc912a9b694f7

    • SHA256

      504a12fa57c87fb97d3c91c380fbeeca70dc61dc55a95f2f707fea9f729b642c

    • SHA512

      1170840d06818a2c2ca5ef4f74f91a24edf14a4b568f9790e3cdbacfae88cb8d2396dcac491b0ae4d6c210ff4627191955521d017a39d3d74bf2a3798bc6525e

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUeJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68detIuoITsdZ

    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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks