Overview

overview

10

Static

static

3

2024-05-08...ck.exe

windows7-x64

10

2024-05-08...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-08_b8c317c5dac2e17763d02f26035d11a6_virlock

  • Size

    198KB

  • Sample

    240508-ecfx3ahb3x

  • MD5

    b8c317c5dac2e17763d02f26035d11a6

  • SHA1

    3a9d78353ba8890cae4bb2d6d2cc5ea5ee3772fd

  • SHA256

    5e5d97b3ad7174aa09f7ef9785036173179dfdb0d187eb96476614fc11d143a7

  • SHA512

    e14ce8c3cfb0c9cd763d12bdd02acbf41595dd6adf01837a38f29652bf5ac609e359c1bf79fef55e8bf54d1026f287c0d45b98fd97bdb0f6eefdaff2a93c5a9c

  • SSDEEP

    6144:1PorCbp0zrFbiuqpFQpsgbZXphEjxchyS/P8+eb0Majj2a6Ew:1PazrFbiuqpFQpsgbZXphEjxchygzebq

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-08_b8c317c5dac2e17763d02f26035d11a6_virlock

    • Size

      198KB

    • MD5

      b8c317c5dac2e17763d02f26035d11a6

    • SHA1

      3a9d78353ba8890cae4bb2d6d2cc5ea5ee3772fd

    • SHA256

      5e5d97b3ad7174aa09f7ef9785036173179dfdb0d187eb96476614fc11d143a7

    • SHA512

      e14ce8c3cfb0c9cd763d12bdd02acbf41595dd6adf01837a38f29652bf5ac609e359c1bf79fef55e8bf54d1026f287c0d45b98fd97bdb0f6eefdaff2a93c5a9c

    • SSDEEP

      6144:1PorCbp0zrFbiuqpFQpsgbZXphEjxchyS/P8+eb0Majj2a6Ew:1PazrFbiuqpFQpsgbZXphEjxchygzebq

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (62) 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
    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