Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3

  • Size

    2.0MB

  • Sample

    240527-d2pe3aef3y

  • MD5

    fbceb9fb51287ac1664b24aed6fe6027

  • SHA1

    7655f33dd6456f792933af0ef6b77ada7ef692ef

  • SHA256

    6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3

  • SHA512

    2b2397873e1fa7501a2b20d62aa8736c9b6714af22b45ff62071100192f514e14cadc889056b09be3a50e2909609355877a704023e62cec16113655f1cbfab07

  • SSDEEP

    49152:OePpQEVJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEVtIuoITsdZ

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

      6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3

    • Size

      2.0MB

    • MD5

      fbceb9fb51287ac1664b24aed6fe6027

    • SHA1

      7655f33dd6456f792933af0ef6b77ada7ef692ef

    • SHA256

      6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3

    • SHA512

      2b2397873e1fa7501a2b20d62aa8736c9b6714af22b45ff62071100192f514e14cadc889056b09be3a50e2909609355877a704023e62cec16113655f1cbfab07

    • SSDEEP

      49152:OePpQEVJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEVtIuoITsdZ

    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

    • 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

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