Overview

overview

10

Static

static

3

2024-06-01...ck.exe

windows7-x64

10

2024-06-01...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-06-01_e0f27af1cfe25b64c404b5e9588fee3f_virlock

  • Size

    564KB

  • Sample

    240601-j2nfnafa3v

  • MD5

    e0f27af1cfe25b64c404b5e9588fee3f

  • SHA1

    bfb96bb51ac4b7be1706738f740051b51c7e0f03

  • SHA256

    64d8ee860c9b33f8203457e09d596b419bdf45e3423586f048478d45f10abf06

  • SHA512

    f34bf79112701a80dc220cb444e42a7c181168e5b54d6105b40655c57244d84751c30dd3c5cdca442bbbc32d32d87403e8e33a1e61e8c0a3ac05611143baebba

  • SSDEEP

    12288:mxPvqDrhjzdUEgmhHUuH4f8E1bP/vfa98a:mxPv6ROWhHhHuNDvfi

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-01_e0f27af1cfe25b64c404b5e9588fee3f_virlock

    • Size

      564KB

    • MD5

      e0f27af1cfe25b64c404b5e9588fee3f

    • SHA1

      bfb96bb51ac4b7be1706738f740051b51c7e0f03

    • SHA256

      64d8ee860c9b33f8203457e09d596b419bdf45e3423586f048478d45f10abf06

    • SHA512

      f34bf79112701a80dc220cb444e42a7c181168e5b54d6105b40655c57244d84751c30dd3c5cdca442bbbc32d32d87403e8e33a1e61e8c0a3ac05611143baebba

    • SSDEEP

      12288:mxPvqDrhjzdUEgmhHUuH4f8E1bP/vfa98a:mxPv6ROWhHhHuNDvfi

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (81) 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