Overview

overview

10

Static

static

3

2024-02-23...ck.exe

windows7-x64

10

2024-02-23...ck.exe

windows10-2004-x64

10

Resubmissions

23/02/2024, 17:49

240223-webvkaed46 10

23/02/2024, 17:41

240223-v9x6lsfb8s 10

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General

  • Target

    2024-02-23_bdee094ec690e3a09a245c1ce9a62284_virlock

  • Size

    564KB

  • Sample

    240223-v9x6lsfb8s

  • MD5

    bdee094ec690e3a09a245c1ce9a62284

  • SHA1

    8a225bb69d0ad5fcfe19be6b0204832234b55b02

  • SHA256

    9e2fbfad97b778931de019b047bca636f15b540ec7722fbd1d9c2085657e0ef3

  • SHA512

    0469b9ab410f492b6acd2692cb7d7643bbf889ee6efddafb5facb04ede057896a2638add989e6809ec6553a818f276ae5ccbc2461f0a6b1daaf8b063e23a47ad

  • SSDEEP

    12288:O732i556ZqzEJ2JcAnubt39S5m5cYHTqDz:Q2i55oqYJ2Jfnyh9lmDz

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-02-23_bdee094ec690e3a09a245c1ce9a62284_virlock

    • Size

      564KB

    • MD5

      bdee094ec690e3a09a245c1ce9a62284

    • SHA1

      8a225bb69d0ad5fcfe19be6b0204832234b55b02

    • SHA256

      9e2fbfad97b778931de019b047bca636f15b540ec7722fbd1d9c2085657e0ef3

    • SHA512

      0469b9ab410f492b6acd2692cb7d7643bbf889ee6efddafb5facb04ede057896a2638add989e6809ec6553a818f276ae5ccbc2461f0a6b1daaf8b063e23a47ad

    • SSDEEP

      12288:O732i556ZqzEJ2JcAnubt39S5m5cYHTqDz:Q2i55oqYJ2Jfnyh9lmDz

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (75) 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