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Overview

overview

10

Static

static

3

2024-10-13...ck.exe

windows7-x64

10

2024-10-13...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-10-13_ad7bb4d0b054545954fcdec26bf7bf7d_virlock

  • Size

    140KB

  • Sample

    241013-vd4cra1gjm

  • MD5

    ad7bb4d0b054545954fcdec26bf7bf7d

  • SHA1

    bc046bf7bce6a468fbc1758c0bc726fef522e232

  • SHA256

    3b91d82a5858cdecbb1a108570b061ddc81b79910f0e19c08e7a984c7f0c32b7

  • SHA512

    0d2b3d3703cafaa334b7b1021e8f78e058633284d704cff0c9aafdcc2a234fb7034d06d3b827e3d112f9a20ca094fe641bf55989c303bf053f28078b36d46697

  • SSDEEP

    3072:CBehCANLxmj42ycaA3NSUp7TndGfR89B+/2K4Ka:CBwj32ycaA3N/pc58v+/2K4Ka

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-13_ad7bb4d0b054545954fcdec26bf7bf7d_virlock

    • Size

      140KB

    • MD5

      ad7bb4d0b054545954fcdec26bf7bf7d

    • SHA1

      bc046bf7bce6a468fbc1758c0bc726fef522e232

    • SHA256

      3b91d82a5858cdecbb1a108570b061ddc81b79910f0e19c08e7a984c7f0c32b7

    • SHA512

      0d2b3d3703cafaa334b7b1021e8f78e058633284d704cff0c9aafdcc2a234fb7034d06d3b827e3d112f9a20ca094fe641bf55989c303bf053f28078b36d46697

    • SSDEEP

      3072:CBehCANLxmj42ycaA3NSUp7TndGfR89B+/2K4Ka:CBwj32ycaA3N/pc58v+/2K4Ka

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (53) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
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

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks