Overview

overview

10

Static

static

3

2024-05-23...ck.exe

windows7-x64

10

2024-05-23...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-23_dbe986131b537bb2715e1d77f8d9a969_virlock

  • Size

    637KB

  • Sample

    240523-pgpe4sgh3x

  • MD5

    dbe986131b537bb2715e1d77f8d9a969

  • SHA1

    f8acc81c3767c915c484330d73f8606bd4b5d728

  • SHA256

    2b549dc6e6ddd6c53de1f018dbb14ed280218cf47156c7180107ea0720b7982f

  • SHA512

    c1be72a5c75339c984ab4fb4e5a8042dae42965f7c0e489d236c569d758facacb6b5b38364f85fe02a1c65f32a1f34e3b1e91d49d3fc7f4fafed6d9c1169cae2

  • SSDEEP

    12288:dvChwEFGuOlsg1RKtYZ6GNdXEqffI3m9w6dwjW0NDR9fjVEwxxu1d6:dvkwEFGue0+Zn/X7m7mg3H9fBEexu1d

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-23_dbe986131b537bb2715e1d77f8d9a969_virlock

    • Size

      637KB

    • MD5

      dbe986131b537bb2715e1d77f8d9a969

    • SHA1

      f8acc81c3767c915c484330d73f8606bd4b5d728

    • SHA256

      2b549dc6e6ddd6c53de1f018dbb14ed280218cf47156c7180107ea0720b7982f

    • SHA512

      c1be72a5c75339c984ab4fb4e5a8042dae42965f7c0e489d236c569d758facacb6b5b38364f85fe02a1c65f32a1f34e3b1e91d49d3fc7f4fafed6d9c1169cae2

    • SSDEEP

      12288:dvChwEFGuOlsg1RKtYZ6GNdXEqffI3m9w6dwjW0NDR9fjVEwxxu1d6:dvkwEFGue0+Zn/X7m7mg3H9fBEexu1d

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (57) 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