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_9b2c74478464af11cc7a8d075183837e_virlock

  • Size

    143KB

  • Sample

    240907-xfe42syenp

  • MD5

    9b2c74478464af11cc7a8d075183837e

  • SHA1

    32bee1800b816bf16ff597a725bce001baefea8f

  • SHA256

    877c37e2b15ac450c67c4d88964ee53357e0722b03a046c603f626d3f39e80a4

  • SHA512

    832ff64c2c69ac6bf94beee2b7695e8e1cf671815be47921d2cd2e48652f1d912665da6110ef0258f3e1dc01bdc04e204cf8f05052541fbad91aa25c783a8780

  • SSDEEP

    3072:tfXPFEhlwj1pKzASHRPGq5yIq7Hxr+r6d+39fx:JXt6wj1pKzASx+YyIq7RS9

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-07_9b2c74478464af11cc7a8d075183837e_virlock

    • Size

      143KB

    • MD5

      9b2c74478464af11cc7a8d075183837e

    • SHA1

      32bee1800b816bf16ff597a725bce001baefea8f

    • SHA256

      877c37e2b15ac450c67c4d88964ee53357e0722b03a046c603f626d3f39e80a4

    • SHA512

      832ff64c2c69ac6bf94beee2b7695e8e1cf671815be47921d2cd2e48652f1d912665da6110ef0258f3e1dc01bdc04e204cf8f05052541fbad91aa25c783a8780

    • SSDEEP

      3072:tfXPFEhlwj1pKzASHRPGq5yIq7Hxr+r6d+39fx:JXt6wj1pKzASx+YyIq7RS9

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (56) 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
    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