Overview

overview

10

Static

static

10

cr4cked vixen.exe

windows7-x64

10

cr4cked vixen.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cr4cked vixen.exe

  • Size

    27KB

  • Sample

    250216-d4q2nsznak

  • MD5

    f3412def470db187f3a9b95ede250e73

  • SHA1

    65be90a1ad51bec8140cec84b49ea576f68696ee

  • SHA256

    8036cb4832edad45d44412716e288f9e354c30e88ea79958f66c1cd3c6e3cad4

  • SHA512

    640ae4dc939696cedeef764284fb1c86391c704d6ab65a6c48af1f4c0f63945ef38b41a3503d0075476aa1b4ba62bc71a73a4f91ece249a9b7432731997ce31f

  • SSDEEP

    384:4tWZPzzxAm1v85nIruz10CSGGCS6PNsnlyAOy5o91YVoL+82voP:N7zxAmAIruz10CGLkNiho9z682M

Score
10/10
chaosdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      cr4cked vixen.exe

    • Size

      27KB

    • MD5

      f3412def470db187f3a9b95ede250e73

    • SHA1

      65be90a1ad51bec8140cec84b49ea576f68696ee

    • SHA256

      8036cb4832edad45d44412716e288f9e354c30e88ea79958f66c1cd3c6e3cad4

    • SHA512

      640ae4dc939696cedeef764284fb1c86391c704d6ab65a6c48af1f4c0f63945ef38b41a3503d0075476aa1b4ba62bc71a73a4f91ece249a9b7432731997ce31f

    • SSDEEP

      384:4tWZPzzxAm1v85nIruz10CSGGCS6PNsnlyAOy5o91YVoL+82voP:N7zxAmAIruz10CGLkNiho9z682M

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealerdiscovery

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      defense_evasion

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks