Overview

overview

10

Static

static

3

2024-05-22...ck.exe

windows7-x64

10

2024-05-22...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-22_a69f8748125469c047bece9274197f11_virlock

  • Size

    199KB

  • Sample

    240522-w1g9gabg6y

  • MD5

    a69f8748125469c047bece9274197f11

  • SHA1

    16dc05d191e9ea543bf7119d83a8974f3b75f42f

  • SHA256

    5462893b8fe483144ba4d32e1f4607a1e4a58450f3fdd198e05cc4c82024304e

  • SHA512

    292cfc3c90fcadda70bd5c5a0f33bc694a4394ea19325ae54101d448222828e40cc6622912c051553f8be8e69b55c52fecfd69eff9e49f7b95a33752f19d8f79

  • SSDEEP

    6144:P/Mpr9Bxx+ybfkqcY9va9a5AJ5KBbbcIEZS6RKHtvh07j:P/mdkHyvaHGDx6ROQj

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-22_a69f8748125469c047bece9274197f11_virlock

    • Size

      199KB

    • MD5

      a69f8748125469c047bece9274197f11

    • SHA1

      16dc05d191e9ea543bf7119d83a8974f3b75f42f

    • SHA256

      5462893b8fe483144ba4d32e1f4607a1e4a58450f3fdd198e05cc4c82024304e

    • SHA512

      292cfc3c90fcadda70bd5c5a0f33bc694a4394ea19325ae54101d448222828e40cc6622912c051553f8be8e69b55c52fecfd69eff9e49f7b95a33752f19d8f79

    • SSDEEP

      6144:P/Mpr9Bxx+ybfkqcY9va9a5AJ5KBbbcIEZS6RKHtvh07j:P/mdkHyvaHGDx6ROQj

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (61) 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