Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    41fcc2b5c5d717dc5e2fa80b562ceb3ac65736df1de974e004a4e91a8c7ab0c4

  • Size

    1.6MB

  • Sample

    240611-rpgrcazhll

  • MD5

    86caa28caba13055546f24e709544993

  • SHA1

    7f566b523d27d77394048401de4a8dd037f1315e

  • SHA256

    41fcc2b5c5d717dc5e2fa80b562ceb3ac65736df1de974e004a4e91a8c7ab0c4

  • SHA512

    3641762a152bf94c8107ec62b58b33d4030add34ad230cf7bc4ecae19b3157feaf09f85ca08abe482c5ea79fa41abe7f8f726af87eba345833bba941bdcdacea

  • SSDEEP

    24576:spM5863IGfTAVpalBCUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BCUkxVVChjHZQs

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      41fcc2b5c5d717dc5e2fa80b562ceb3ac65736df1de974e004a4e91a8c7ab0c4

    • Size

      1.6MB

    • MD5

      86caa28caba13055546f24e709544993

    • SHA1

      7f566b523d27d77394048401de4a8dd037f1315e

    • SHA256

      41fcc2b5c5d717dc5e2fa80b562ceb3ac65736df1de974e004a4e91a8c7ab0c4

    • SHA512

      3641762a152bf94c8107ec62b58b33d4030add34ad230cf7bc4ecae19b3157feaf09f85ca08abe482c5ea79fa41abe7f8f726af87eba345833bba941bdcdacea

    • SSDEEP

      24576:spM5863IGfTAVpalBCUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BCUkxVVChjHZQs

    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