Overview

overview

10

Static

static

3

202405221a...ck.exe

windows7-x64

10

202405221a...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    202405221abe4dd26e95c3e1208a6f85eb58e88fvirlock

  • Size

    745KB

  • Sample

    240522-x8jmyadh23

  • MD5

    1abe4dd26e95c3e1208a6f85eb58e88f

  • SHA1

    7e44d3b3964c6d9b646d3d66a3eb74650aa1c6c6

  • SHA256

    84e126d58d94d8e7477b479f911c81dac33bf19ef55063a976c25008cbeabfa4

  • SHA512

    bb0a7004ee40f9d50ba5348f0799aa17bd347be75817e403cbbd1c57fe7c1d8019ec5b3c77520ffcbdf0917ea87f86042a942cfcf8a8efe22d66023f436edb72

  • SSDEEP

    12288:DhCKrEzbVSJqterUnOVlZcaiBZoziilvSz4HgewFIe/AnE8d8N:lC4EnmqkXaaiBZollhgepnE8qN

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      202405221abe4dd26e95c3e1208a6f85eb58e88fvirlock

    • Size

      745KB

    • MD5

      1abe4dd26e95c3e1208a6f85eb58e88f

    • SHA1

      7e44d3b3964c6d9b646d3d66a3eb74650aa1c6c6

    • SHA256

      84e126d58d94d8e7477b479f911c81dac33bf19ef55063a976c25008cbeabfa4

    • SHA512

      bb0a7004ee40f9d50ba5348f0799aa17bd347be75817e403cbbd1c57fe7c1d8019ec5b3c77520ffcbdf0917ea87f86042a942cfcf8a8efe22d66023f436edb72

    • SSDEEP

      12288:DhCKrEzbVSJqterUnOVlZcaiBZoziilvSz4HgewFIe/AnE8d8N:lC4EnmqkXaaiBZollhgepnE8qN

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (51) 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