Overview

overview

10

Static

static

3

20240920a1...ck.exe

windows7-x64

10

20240920a1...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    20240920a15a2fb906ba42425a98b98c94e4f4advirlock

  • Size

    207KB

  • Sample

    240920-qynetazbmr

  • MD5

    a15a2fb906ba42425a98b98c94e4f4ad

  • SHA1

    ef86c496d4fbfa8cdb9a522826cdb14b1b4c420d

  • SHA256

    856b4970b7c9f02b05f3d0851aa19607ac9f3a20c3cd00602c27a90db7cf7403

  • SHA512

    4b061be8e56c8864fb245a12c4ebedea2156854dc197b5452e0725fa2abf1f61ef5cae5abe568ebe45ea8af6429daf312dbf7e87231fd67d7ee2033e3faadef3

  • SSDEEP

    6144:fbZ7dlHxWinSO54nNQlfC0QqRWQCqeXhn3X7c7XPbzwc9ZJu:TlHP540fbzfZJu

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      20240920a15a2fb906ba42425a98b98c94e4f4advirlock

    • Size

      207KB

    • MD5

      a15a2fb906ba42425a98b98c94e4f4ad

    • SHA1

      ef86c496d4fbfa8cdb9a522826cdb14b1b4c420d

    • SHA256

      856b4970b7c9f02b05f3d0851aa19607ac9f3a20c3cd00602c27a90db7cf7403

    • SHA512

      4b061be8e56c8864fb245a12c4ebedea2156854dc197b5452e0725fa2abf1f61ef5cae5abe568ebe45ea8af6429daf312dbf7e87231fd67d7ee2033e3faadef3

    • SSDEEP

      6144:fbZ7dlHxWinSO54nNQlfC0QqRWQCqeXhn3X7c7XPbzwc9ZJu:TlHP540fbzfZJu

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (53) 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks