Overview

overview

10

Static

static

3

2024-03-12...ck.exe

windows7-x64

10

2024-03-12...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-03-12_3cca7981e5446a2b834dbfa3a5892067_virlock

  • Size

    140KB

  • Sample

    240312-g7qrvscd93

  • MD5

    3cca7981e5446a2b834dbfa3a5892067

  • SHA1

    2f6d22113abe12e8497c909b9c5ef05da38e6153

  • SHA256

    482b9e6ee6c4c1a2ff19520aa0f8d76d4c2e6bc56f3b189d9c40e9b3d28c5ec0

  • SHA512

    e80bb1f6e832c9c2c56bf8c7f830c65032314a40b422c7a43c5687ffccb4ebc3c287c2a8d476f50ff69cf5f0618bfdcf9ccf1b0e3b889a8ff3698234a7b5c8c4

  • SSDEEP

    3072:0ZPWJYiOXcqxuiQ0wbcS2Qqksya+lQnG+ZihjPCIBPHlYVX:hJycq9ZwbFqVya+wkhjPCItHlYp

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-03-12_3cca7981e5446a2b834dbfa3a5892067_virlock

    • Size

      140KB

    • MD5

      3cca7981e5446a2b834dbfa3a5892067

    • SHA1

      2f6d22113abe12e8497c909b9c5ef05da38e6153

    • SHA256

      482b9e6ee6c4c1a2ff19520aa0f8d76d4c2e6bc56f3b189d9c40e9b3d28c5ec0

    • SHA512

      e80bb1f6e832c9c2c56bf8c7f830c65032314a40b422c7a43c5687ffccb4ebc3c287c2a8d476f50ff69cf5f0618bfdcf9ccf1b0e3b889a8ff3698234a7b5c8c4

    • SSDEEP

      3072:0ZPWJYiOXcqxuiQ0wbcS2Qqksya+lQnG+ZihjPCIBPHlYVX:hJycq9ZwbFqVya+wkhjPCItHlYp

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (84) 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

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks