Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    5b25295e73fd62eb882ed1aa206ea916debe1b702df0e9d1b68351dd830410cc

  • Size

    2.4MB

  • Sample

    240524-qym42sga99

  • MD5

    36ce412cfbc656e6d41887cf2f886cbf

  • SHA1

    dfabcc2a24708f75741ac0312147910fff42bc3a

  • SHA256

    5b25295e73fd62eb882ed1aa206ea916debe1b702df0e9d1b68351dd830410cc

  • SHA512

    655b058c3a2a46992a975ec5319d8d7bb36dda9db3eafae4b17e706ff25604416d4c1ae2948bb883eb06faf03fe94899be1b71b8147d7e9edd6d7ad2d04c7a73

  • SSDEEP

    49152:jxIRJF1HL+VdX68kU6JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d6tIuoITsdZ

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

      5b25295e73fd62eb882ed1aa206ea916debe1b702df0e9d1b68351dd830410cc

    • Size

      2.4MB

    • MD5

      36ce412cfbc656e6d41887cf2f886cbf

    • SHA1

      dfabcc2a24708f75741ac0312147910fff42bc3a

    • SHA256

      5b25295e73fd62eb882ed1aa206ea916debe1b702df0e9d1b68351dd830410cc

    • SHA512

      655b058c3a2a46992a975ec5319d8d7bb36dda9db3eafae4b17e706ff25604416d4c1ae2948bb883eb06faf03fe94899be1b71b8147d7e9edd6d7ad2d04c7a73

    • SSDEEP

      49152:jxIRJF1HL+VdX68kU6JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d6tIuoITsdZ

    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