Overview

overview

10

Static

static

2022-11-23...ck.exe

windows7-x64

10

2022-11-23...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2022-11-23_e32e0ec72fa11f6ed358a0eab5d94b68_virlock

  • Size

    2.3MB

  • Sample

    221123-xant1aed59

  • MD5

    e32e0ec72fa11f6ed358a0eab5d94b68

  • SHA1

    cbd4c4c96f97dfc70fa965ae93818b933715e267

  • SHA256

    5f7a80e85c4579a734faa9910dc20069ff9e2bd272c0b6fac61a340abbeca28f

  • SHA512

    dd40b98625314bc5f2054f39488bc8a3876c4cc8fa723c60e65ced41abc9444318ef196d36e91b97089a9eb79ec58fee5cd7525559f568dcc6173a155c64fc1b

  • SSDEEP

    49152:ITJYktl6g7iJSB3skrYljjjnDsUill1yJGmEn:/alf1xskrYljjj

Score
10/10
evasionpersistencetrojan

Malware Config

Targets

    • Target

      2022-11-23_e32e0ec72fa11f6ed358a0eab5d94b68_virlock

    • Size

      2.3MB

    • MD5

      e32e0ec72fa11f6ed358a0eab5d94b68

    • SHA1

      cbd4c4c96f97dfc70fa965ae93818b933715e267

    • SHA256

      5f7a80e85c4579a734faa9910dc20069ff9e2bd272c0b6fac61a340abbeca28f

    • SHA512

      dd40b98625314bc5f2054f39488bc8a3876c4cc8fa723c60e65ced41abc9444318ef196d36e91b97089a9eb79ec58fee5cd7525559f568dcc6173a155c64fc1b

    • SSDEEP

      49152:ITJYktl6g7iJSB3skrYljjjnDsUill1yJGmEn:/alf1xskrYljjj

    Score
    10/10
    evasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks