Overview

overview

10

Static

static

3

2024-04-09...ck.exe

windows7-x64

10

2024-04-09...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-09_6e6dd8058e5b404b331f7c1d668f79a4_virlock

  • Size

    120KB

  • Sample

    240409-qx8pcsgd64

  • MD5

    6e6dd8058e5b404b331f7c1d668f79a4

  • SHA1

    97a69fbf40fb307bbfd7c3776d6194efbbde234a

  • SHA256

    3db8296b78e2311e21829a2d315f2f6b2b9fda095bec9a4a46d4d812ea0761d3

  • SHA512

    980194b2a670b5bbf389c3f7cf9c8de16f99d497eb3440381edc119009b8aa362cf9ae4ac7da76972d1aa585a96bdb3db9dd7040986edfdd28cd40f0ffa52bc9

  • SSDEEP

    1536:6sRZ7uOGY3whJ7GGMVimEbx/fLdlBagjwSdUdxDQaHmraz3gbJPZTfcN1s8WV6yQ:1VmNMsJHLEkwSdUFgVZ7qCj30Pqii+A

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-09_6e6dd8058e5b404b331f7c1d668f79a4_virlock

    • Size

      120KB

    • MD5

      6e6dd8058e5b404b331f7c1d668f79a4

    • SHA1

      97a69fbf40fb307bbfd7c3776d6194efbbde234a

    • SHA256

      3db8296b78e2311e21829a2d315f2f6b2b9fda095bec9a4a46d4d812ea0761d3

    • SHA512

      980194b2a670b5bbf389c3f7cf9c8de16f99d497eb3440381edc119009b8aa362cf9ae4ac7da76972d1aa585a96bdb3db9dd7040986edfdd28cd40f0ffa52bc9

    • SSDEEP

      1536:6sRZ7uOGY3whJ7GGMVimEbx/fLdlBagjwSdUdxDQaHmraz3gbJPZTfcN1s8WV6yQ:1VmNMsJHLEkwSdUFgVZ7qCj30Pqii+A

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (75) 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.

    • Deletes itself

    • 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