Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

  • Size

    2.1MB

  • Sample

    240522-d4kvnaag33

  • MD5

    d63c7ff0088348f29d4423f79497e61c

  • SHA1

    ad18601c2b032b87bac73ec25cdfd51402ef73e6

  • SHA256

    a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

  • SHA512

    16952b177d0cc721b66c1ffe087ab1c3b3f8fa016fd3bbd051441ebb1ab85247fdd3ef86f882579d5a311c738b71008091927f5abf4b09b7cffe14b8ef58f7b4

  • SSDEEP

    49152:N6uDuaS9refmAJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9jAtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

    • Size

      2.1MB

    • MD5

      d63c7ff0088348f29d4423f79497e61c

    • SHA1

      ad18601c2b032b87bac73ec25cdfd51402ef73e6

    • SHA256

      a1984fbfacc51f3a9d02445ac3c927f62809779448545ea9e07936c18f36aaf6

    • SHA512

      16952b177d0cc721b66c1ffe087ab1c3b3f8fa016fd3bbd051441ebb1ab85247fdd3ef86f882579d5a311c738b71008091927f5abf4b09b7cffe14b8ef58f7b4

    • SSDEEP

      49152:N6uDuaS9refmAJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9jAtIuoITsdZ

    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