Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4c77642643c99a8c8985fa396fd739a61fd41a8a32d204760b6317676f3ea71a

  • Size

    2.4MB

  • Sample

    240524-n3cg1agh42

  • MD5

    63e3d3c97bcc55c6dd3c05ea4740d375

  • SHA1

    d286b86fdb4df97a301e8c0c349d255dc0ef8760

  • SHA256

    4c77642643c99a8c8985fa396fd739a61fd41a8a32d204760b6317676f3ea71a

  • SHA512

    972fb51c3e19f64fe7d1b04fc128022b8720086ed54287cada469da74ae54aa9ef6e0c636383eedbacce93f16610e45101878ac73982cd40c39ce586f7975060

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUqJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dqtIuoITsdZ

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

      4c77642643c99a8c8985fa396fd739a61fd41a8a32d204760b6317676f3ea71a

    • Size

      2.4MB

    • MD5

      63e3d3c97bcc55c6dd3c05ea4740d375

    • SHA1

      d286b86fdb4df97a301e8c0c349d255dc0ef8760

    • SHA256

      4c77642643c99a8c8985fa396fd739a61fd41a8a32d204760b6317676f3ea71a

    • SHA512

      972fb51c3e19f64fe7d1b04fc128022b8720086ed54287cada469da74ae54aa9ef6e0c636383eedbacce93f16610e45101878ac73982cd40c39ce586f7975060

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUqJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dqtIuoITsdZ

    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