Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    5b503bd339787800313a84a45e4f4c76caa24b7f12de8c177b247afaae0fd91c

  • Size

    1.9MB

  • Sample

    240527-m9ltksac82

  • MD5

    9bcbe36dcade7a1d71cf6198ad7fa14d

  • SHA1

    36a6b167b0001e8a0c2529604a30b4c4b484684b

  • SHA256

    5b503bd339787800313a84a45e4f4c76caa24b7f12de8c177b247afaae0fd91c

  • SHA512

    4fa698b4acff42fed207a67097f8455bf7ec4ed87125c2880e50e4f689cdf5ce5c5166e7f13c258fb2da0b264edfa0c29113179898096e3d514b496ba5705e7f

  • SSDEEP

    49152:CdKfTn6vGJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

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

      5b503bd339787800313a84a45e4f4c76caa24b7f12de8c177b247afaae0fd91c

    • Size

      1.9MB

    • MD5

      9bcbe36dcade7a1d71cf6198ad7fa14d

    • SHA1

      36a6b167b0001e8a0c2529604a30b4c4b484684b

    • SHA256

      5b503bd339787800313a84a45e4f4c76caa24b7f12de8c177b247afaae0fd91c

    • SHA512

      4fa698b4acff42fed207a67097f8455bf7ec4ed87125c2880e50e4f689cdf5ce5c5166e7f13c258fb2da0b264edfa0c29113179898096e3d514b496ba5705e7f

    • SSDEEP

      49152:CdKfTn6vGJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

    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