Overview

overview

10

Static

static

3

2024-09-07...ck.exe

windows7-x64

10

2024-09-07...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-07_afaa6a14eb7b46dc2165b3654e238b1a_virlock

  • Size

    200KB

  • Sample

    240907-nm4xbasbjr

  • MD5

    afaa6a14eb7b46dc2165b3654e238b1a

  • SHA1

    de9344d62cbe3bb743605e5b08ef2f0f53105a24

  • SHA256

    cb4bd47c9b59bf3955ea560705f748457e4656d8d07c68744e177a487f25a6b8

  • SHA512

    8439927311549274249f631eea79f4daa7d4334d3f300cd6d0b4810c7528fa3adbab1d3f6bd6fdb0efba64321a43eedba1453d5ef9dab6fa83724a28675a695e

  • SSDEEP

    3072:jR3295cHoQmi9B6m38FER2L0GC9gA5n3xGFVDGQ9U8XcURE5gwfxG9FDtN:dG5omVmM8cA5nBGF9U8XcUREHfxGH

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-07_afaa6a14eb7b46dc2165b3654e238b1a_virlock

    • Size

      200KB

    • MD5

      afaa6a14eb7b46dc2165b3654e238b1a

    • SHA1

      de9344d62cbe3bb743605e5b08ef2f0f53105a24

    • SHA256

      cb4bd47c9b59bf3955ea560705f748457e4656d8d07c68744e177a487f25a6b8

    • SHA512

      8439927311549274249f631eea79f4daa7d4334d3f300cd6d0b4810c7528fa3adbab1d3f6bd6fdb0efba64321a43eedba1453d5ef9dab6fa83724a28675a695e

    • SSDEEP

      3072:jR3295cHoQmi9B6m38FER2L0GC9gA5n3xGFVDGQ9U8XcURE5gwfxG9FDtN:dG5omVmM8cA5nBGF9U8XcUREHfxGH

    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.

    • 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

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