Overview

overview

10

Static

static

3

2024-02-14...ck.exe

windows7-x64

10

2024-02-14...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-02-14_d4b6241abceeb9cb22f9abb74ef4f282_virlock

  • Size

    254KB

  • Sample

    240214-f6m4xaac5t

  • MD5

    d4b6241abceeb9cb22f9abb74ef4f282

  • SHA1

    a5fc1ef64d2975594f68ab2237d34aa720929ee3

  • SHA256

    110571a60a5d07607d0462a97b8aa4b64321c2e723d6e4854357a7d2a228ffa9

  • SHA512

    f24352e42d55e9e72ae84fbf79697f05c6c3be01cf0936a01f77573b9ebaca7339ec8c834b67eb9be6cf44327e3eb6e8ae9420f34f11f9f6fd1298cef1dc1a88

  • SSDEEP

    3072:DjZfPD318CFlLsjuhwZlNmA8g74rM+7VzcrUixmWibizAvlfYkmhAUPnl8YMx4:HZfL31h19IJxmWibizARfmP8v4

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-02-14_d4b6241abceeb9cb22f9abb74ef4f282_virlock

    • Size

      254KB

    • MD5

      d4b6241abceeb9cb22f9abb74ef4f282

    • SHA1

      a5fc1ef64d2975594f68ab2237d34aa720929ee3

    • SHA256

      110571a60a5d07607d0462a97b8aa4b64321c2e723d6e4854357a7d2a228ffa9

    • SHA512

      f24352e42d55e9e72ae84fbf79697f05c6c3be01cf0936a01f77573b9ebaca7339ec8c834b67eb9be6cf44327e3eb6e8ae9420f34f11f9f6fd1298cef1dc1a88

    • SSDEEP

      3072:DjZfPD318CFlLsjuhwZlNmA8g74rM+7VzcrUixmWibizAvlfYkmhAUPnl8YMx4:HZfL31h19IJxmWibizARfmP8v4

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (82) 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