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Overview

overview

10

Static

static

3

2024-10-12...ck.exe

windows7-x64

10

2024-10-12...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-12_b5ac65d60abc7e3755baabd4c52a84bf_virlock

  • Size

    641KB

  • Sample

    241012-s6ylvsxhqb

  • MD5

    b5ac65d60abc7e3755baabd4c52a84bf

  • SHA1

    5b1f017fba9cb80c81bcff120839e75a7ca417f8

  • SHA256

    f2114157b16b68106d40ada18be13b03dd443419637e39f0917229457e6b7369

  • SHA512

    5f02fef6d6f7dd20178c54b8c838e21dea62d0ce4c6bdbacc31518b20f0cb76c4fe9c232e83cfd65361e5800b3912ef655a357911b0bc0911f96ec076d2900d6

  • SSDEEP

    12288:0coFOJwPXuXncHAhiFyrXDbvJoM6CmIYdGylDClKE8wr/ftyz/0EPdsC:0cWEZh1bvJoP8YHDClxRbFyz8EPdh

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-12_b5ac65d60abc7e3755baabd4c52a84bf_virlock

    • Size

      641KB

    • MD5

      b5ac65d60abc7e3755baabd4c52a84bf

    • SHA1

      5b1f017fba9cb80c81bcff120839e75a7ca417f8

    • SHA256

      f2114157b16b68106d40ada18be13b03dd443419637e39f0917229457e6b7369

    • SHA512

      5f02fef6d6f7dd20178c54b8c838e21dea62d0ce4c6bdbacc31518b20f0cb76c4fe9c232e83cfd65361e5800b3912ef655a357911b0bc0911f96ec076d2900d6

    • SSDEEP

      12288:0coFOJwPXuXncHAhiFyrXDbvJoM6CmIYdGylDClKE8wr/ftyz/0EPdsC:0cWEZh1bvJoP8YHDClxRbFyz8EPdh

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (57) 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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

2
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