Overview

overview

10

Static

static

3

2024-09-15...ck.exe

windows7-x64

10

2024-09-15...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-15_b7cb17fcb940e77c79fee15e4562c4d1_virlock

  • Size

    654KB

  • Sample

    240915-jdetlssdpb

  • MD5

    b7cb17fcb940e77c79fee15e4562c4d1

  • SHA1

    8cdc17418565653e5f9634a275ca1099e02a9719

  • SHA256

    8fd578bc64427ce2a844a5fe098f26eee3ec1d44dd73a75a1306e8a4ae02b215

  • SHA512

    d1d9a940fdef2f894125af598de174bbd88d3b143d932390b7607a1269191c65ad52f8caf18932b69e80fc0085f213c97f00501c83d35e272593a811a0cee1eb

  • SSDEEP

    12288:IDneya5U+8EYPY9nWVFUv/1Ad8Tv5FFMrVKFGNCpsWncav6KB75wi+:ITVA8Bj8/1JT/2NCSicav6KB7P+

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-15_b7cb17fcb940e77c79fee15e4562c4d1_virlock

    • Size

      654KB

    • MD5

      b7cb17fcb940e77c79fee15e4562c4d1

    • SHA1

      8cdc17418565653e5f9634a275ca1099e02a9719

    • SHA256

      8fd578bc64427ce2a844a5fe098f26eee3ec1d44dd73a75a1306e8a4ae02b215

    • SHA512

      d1d9a940fdef2f894125af598de174bbd88d3b143d932390b7607a1269191c65ad52f8caf18932b69e80fc0085f213c97f00501c83d35e272593a811a0cee1eb

    • SSDEEP

      12288:IDneya5U+8EYPY9nWVFUv/1Ad8Tv5FFMrVKFGNCpsWncav6KB75wi+:ITVA8Bj8/1JT/2NCSicav6KB7P+

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (64) 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