Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b8620f16ff427e2e2d9bbb0d28028540f07b8af2697793d69b765371170643f3

  • Size

    2.0MB

  • Sample

    240523-cchesahf98

  • MD5

    fbc3cdaa5ce85fda0c06adbde11b833a

  • SHA1

    9b4517ae005f8df4736a2e4306e43db2e7939e20

  • SHA256

    b8620f16ff427e2e2d9bbb0d28028540f07b8af2697793d69b765371170643f3

  • SHA512

    12ee1647d391e5ffb67c1ceee128d26f1700ee3966795a5d351f5f7c85e0a98749abf7abe2b73dfdae66e2586140c5dbc9f6e3a2326a622fddf50fd0c2607b3c

  • SSDEEP

    49152:7QzHt472DTJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtltIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      b8620f16ff427e2e2d9bbb0d28028540f07b8af2697793d69b765371170643f3

    • Size

      2.0MB

    • MD5

      fbc3cdaa5ce85fda0c06adbde11b833a

    • SHA1

      9b4517ae005f8df4736a2e4306e43db2e7939e20

    • SHA256

      b8620f16ff427e2e2d9bbb0d28028540f07b8af2697793d69b765371170643f3

    • SHA512

      12ee1647d391e5ffb67c1ceee128d26f1700ee3966795a5d351f5f7c85e0a98749abf7abe2b73dfdae66e2586140c5dbc9f6e3a2326a622fddf50fd0c2607b3c

    • SSDEEP

      49152:7QzHt472DTJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtltIuoITsdZ

    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