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Overview

overview

10

Static

static

3

2024-05-20...ck.exe

windows7-x64

10

2024-05-20...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-20_e5809c3a56b28b3edc545dea200942c9_virlock

  • Size

    193KB

  • Sample

    240520-1m7peshd5z

  • MD5

    e5809c3a56b28b3edc545dea200942c9

  • SHA1

    4cd537d89cf69dbcc6d404bbbf134f6262390eec

  • SHA256

    89f23d7f99d2db9262bb250bc25b8bd300f4f197879836aef13aba12f870eabd

  • SHA512

    fe7e68d2d5e1778618dadfd7cd8985aa35945a6d940d0a3c14734552e5f3ac4bdbd96ebfbe363731e86435956d759e1aa9a07de34de4115a853c780ba7483a28

  • SSDEEP

    3072:g+Ifgiz2qwD/LZmTUQR20lyO39GCTAstwOzOyCTUn8P46hZzN80Im0PZ2n:5EgizaDDrZZpjIH

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-20_e5809c3a56b28b3edc545dea200942c9_virlock

    • Size

      193KB

    • MD5

      e5809c3a56b28b3edc545dea200942c9

    • SHA1

      4cd537d89cf69dbcc6d404bbbf134f6262390eec

    • SHA256

      89f23d7f99d2db9262bb250bc25b8bd300f4f197879836aef13aba12f870eabd

    • SHA512

      fe7e68d2d5e1778618dadfd7cd8985aa35945a6d940d0a3c14734552e5f3ac4bdbd96ebfbe363731e86435956d759e1aa9a07de34de4115a853c780ba7483a28

    • SSDEEP

      3072:g+Ifgiz2qwD/LZmTUQR20lyO39GCTAstwOzOyCTUn8P46hZzN80Im0PZ2n:5EgizaDDrZZpjIH

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (59) 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

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks