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Overview

overview

10

Static

static

3

2024-04-16...ck.exe

windows7-x64

10

2024-04-16...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-04-16_f003a9f94356657b3b1023a0edc407b0_virlock

  • Size

    585KB

  • Sample

    240416-lpzz2aef87

  • MD5

    f003a9f94356657b3b1023a0edc407b0

  • SHA1

    aa8dca5fe73d8a15dce62b561903c0e3993a96f7

  • SHA256

    6f6baa0c585ad994924a6d142cdd7bdaa4c728b51d0f1ca8a333e40b1102f400

  • SHA512

    e97a59a2b34297c7336e30714cd53877434072e7022dfd6c8ec9c7a4e2592a6a833c717de2801969d8c54a5bcf32f2d0dc4b3b4bf6bcca8bf41198b5b420bb32

  • SSDEEP

    12288:/6YfGofmSbK6zs5JDkfX+2xcXC++IIUfnfzNmqveI:/aofmSbKo6YfXTcXD+IIUHnve

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-16_f003a9f94356657b3b1023a0edc407b0_virlock

    • Size

      585KB

    • MD5

      f003a9f94356657b3b1023a0edc407b0

    • SHA1

      aa8dca5fe73d8a15dce62b561903c0e3993a96f7

    • SHA256

      6f6baa0c585ad994924a6d142cdd7bdaa4c728b51d0f1ca8a333e40b1102f400

    • SHA512

      e97a59a2b34297c7336e30714cd53877434072e7022dfd6c8ec9c7a4e2592a6a833c717de2801969d8c54a5bcf32f2d0dc4b3b4bf6bcca8bf41198b5b420bb32

    • SSDEEP

      12288:/6YfGofmSbK6zs5JDkfX+2xcXC++IIUfnfzNmqveI:/aofmSbKo6YfXTcXD+IIUHnve

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (85) 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