Overview

overview

10

Static

static

3

475ff9d8ce...33.exe

windows7-x64

10

475ff9d8ce...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    475ff9d8cef100c3317047177a085871ed0430a24a8c0d1ff542d2177ed5b533.exe

  • Size

    2.4MB

  • Sample

    240524-nag7saeh28

  • MD5

    4ba401083ac0570a633f368f8921d3e9

  • SHA1

    9685584440fc436c025dac24d7291b313afb3392

  • SHA256

    475ff9d8cef100c3317047177a085871ed0430a24a8c0d1ff542d2177ed5b533

  • SHA512

    0eb3fa997fcbd3dc99fd7eea996ab69d4110be37f4bb82ae5ad1fe2d77db15e60ee028ffeb074b97eeec0c849b0a359d0c85c1a6e06e3fc5fedb4229d11b5708

  • SSDEEP

    49152:jxIRJF1HL+VdX68kU+JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d+tIuoITsdZ

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

      475ff9d8cef100c3317047177a085871ed0430a24a8c0d1ff542d2177ed5b533.exe

    • Size

      2.4MB

    • MD5

      4ba401083ac0570a633f368f8921d3e9

    • SHA1

      9685584440fc436c025dac24d7291b313afb3392

    • SHA256

      475ff9d8cef100c3317047177a085871ed0430a24a8c0d1ff542d2177ed5b533

    • SHA512

      0eb3fa997fcbd3dc99fd7eea996ab69d4110be37f4bb82ae5ad1fe2d77db15e60ee028ffeb074b97eeec0c849b0a359d0c85c1a6e06e3fc5fedb4229d11b5708

    • SSDEEP

      49152:jxIRJF1HL+VdX68kU+JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d+tIuoITsdZ

    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