Overview

overview

10

Static

static

3

2024-04-25...ck.exe

windows7-x64

10

2024-04-25...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-25_5d696bf7c97189a3f6714300ebaf190f_virlock

  • Size

    346KB

  • Sample

    240425-l68nhahf89

  • MD5

    5d696bf7c97189a3f6714300ebaf190f

  • SHA1

    abe6d5b09e8e7990ba696c08c81adc44d0ea5a2b

  • SHA256

    beb4b3e7c8bcce00e41cd8fdf17e18a31ff1c23173abc04e92e663ecbd5e9bb9

  • SHA512

    f0a284a2806c79d95bbd79e222a7a4f0a8f36a6be987d7a8e0ba469dec508352f9ac853163fada0b20b4cc5e40cc877046545cd09f993672098479fde9ba86ef

  • SSDEEP

    6144:SwwgMug9U25+u+7pxt4KPZb6Y3x/vllsW1/1FTV:Sn7U25+u+9xtRko1vlnFTV

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-25_5d696bf7c97189a3f6714300ebaf190f_virlock

    • Size

      346KB

    • MD5

      5d696bf7c97189a3f6714300ebaf190f

    • SHA1

      abe6d5b09e8e7990ba696c08c81adc44d0ea5a2b

    • SHA256

      beb4b3e7c8bcce00e41cd8fdf17e18a31ff1c23173abc04e92e663ecbd5e9bb9

    • SHA512

      f0a284a2806c79d95bbd79e222a7a4f0a8f36a6be987d7a8e0ba469dec508352f9ac853163fada0b20b4cc5e40cc877046545cd09f993672098479fde9ba86ef

    • SSDEEP

      6144:SwwgMug9U25+u+7pxt4KPZb6Y3x/vllsW1/1FTV:Sn7U25+u+9xtRko1vlnFTV

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (80) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks