Overview

overview

10

Static

static

3

2024-09-25...ck.exe

windows7-x64

10

2024-09-25...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-25_d7e4867e48104c23701a7e822ba9d6cc_virlock

  • Size

    635KB

  • Sample

    240925-2bkaes1dkm

  • MD5

    d7e4867e48104c23701a7e822ba9d6cc

  • SHA1

    67483f3a8bfdbf9a2f56a7ddf4b042ef9a58f4d9

  • SHA256

    612293f2eb5b2fe1ed763cca00ab52456cdadf674425549ae528209242716b42

  • SHA512

    ece65bbfd0bf19a79b21d9214175c4c5e7e630a81bdff12b8b6b563ddf9b6e9b27c9fd0ae66b9192ba5b5ba83c175c4b0fc9468a823b4f8eaa843910402213d8

  • SSDEEP

    12288:e57Kj0BqIpjxL5EHV2koBvlc+n1n03KYwkbfqeJQNUdqQ6yorc:e5moBzw2vN4KZay4QudqQ6y

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-25_d7e4867e48104c23701a7e822ba9d6cc_virlock

    • Size

      635KB

    • MD5

      d7e4867e48104c23701a7e822ba9d6cc

    • SHA1

      67483f3a8bfdbf9a2f56a7ddf4b042ef9a58f4d9

    • SHA256

      612293f2eb5b2fe1ed763cca00ab52456cdadf674425549ae528209242716b42

    • SHA512

      ece65bbfd0bf19a79b21d9214175c4c5e7e630a81bdff12b8b6b563ddf9b6e9b27c9fd0ae66b9192ba5b5ba83c175c4b0fc9468a823b4f8eaa843910402213d8

    • SSDEEP

      12288:e57Kj0BqIpjxL5EHV2koBvlc+n1n03KYwkbfqeJQNUdqQ6yorc:e5moBzw2vN4KZay4QudqQ6y

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (74) 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

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