Overview

overview

10

Static

static

3

2024-04-26...ck.exe

windows7-x64

10

2024-04-26...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-26_16ace8b905aa8d65af5d87c64d6c29f2_virlock

  • Size

    254KB

  • Sample

    240426-pkvrascc6t

  • MD5

    16ace8b905aa8d65af5d87c64d6c29f2

  • SHA1

    d73a87781871b26f8eec45da8b4d65bb2586fd1d

  • SHA256

    6d2d24d3d88e67bd127fc933b6994462d6d89da458bad22fd22adfb5bbe56d2b

  • SHA512

    4d13a0f0e32151f2e4105ce347d292fdaa6bb96c7b605ce3ea24d17b452076d239bb08f70d1bd1a986981e388a3fbfa7f9d3da16301e4fc94aa587dbba3636a2

  • SSDEEP

    6144:gkFkMBmFJ/1f56EWf9ECYiEFDcp/zDC69dJ8:DFkMkz1BIKCYXFYPr9M

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-26_16ace8b905aa8d65af5d87c64d6c29f2_virlock

    • Size

      254KB

    • MD5

      16ace8b905aa8d65af5d87c64d6c29f2

    • SHA1

      d73a87781871b26f8eec45da8b4d65bb2586fd1d

    • SHA256

      6d2d24d3d88e67bd127fc933b6994462d6d89da458bad22fd22adfb5bbe56d2b

    • SHA512

      4d13a0f0e32151f2e4105ce347d292fdaa6bb96c7b605ce3ea24d17b452076d239bb08f70d1bd1a986981e388a3fbfa7f9d3da16301e4fc94aa587dbba3636a2

    • SSDEEP

      6144:gkFkMBmFJ/1f56EWf9ECYiEFDcp/zDC69dJ8:DFkMkz1BIKCYXFYPr9M

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (78) 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