Overview

overview

10

Static

static

3

99fdbe7edf...a8.exe

windows7-x64

10

99fdbe7edf...a8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8

  • Size

    2.2MB

  • Sample

    240629-ljag7avdjb

  • MD5

    6edf5e87d5e0735cbb023bdc28039f44

  • SHA1

    955af916c5d2e8a4ee445bab025d42ef8c01076d

  • SHA256

    99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8

  • SHA512

    12b7a3525fa6a9e1536fc1abce73e153c07684bf0f3149f7adf75ce35817628a3a2ff7f84996feedaf64976a34c8c28aa38effbc9f0fc045e05fa1e5a73441b3

  • SSDEEP

    49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

Score
10/10
stealcvidardiscoveryspywarestealer

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

      99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8

    • Size

      2.2MB

    • MD5

      6edf5e87d5e0735cbb023bdc28039f44

    • SHA1

      955af916c5d2e8a4ee445bab025d42ef8c01076d

    • SHA256

      99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8

    • SHA512

      12b7a3525fa6a9e1536fc1abce73e153c07684bf0f3149f7adf75ce35817628a3a2ff7f84996feedaf64976a34c8c28aa38effbc9f0fc045e05fa1e5a73441b3

    • SSDEEP

      49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A

    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