Overview

overview

10

Static

static

3

2024-06-14...ck.exe

windows7-x64

10

2024-06-14...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-06-14_b8bfed7f47f26ff5def645a67f5e51b2_virlock

  • Size

    268KB

  • Sample

    240614-kmsx9sshke

  • MD5

    b8bfed7f47f26ff5def645a67f5e51b2

  • SHA1

    e18dd5a4ebded19b2c48886ad33d8156131d712a

  • SHA256

    821ed7784b8672643dd327c2a95b250ca129d4469f328008d3fc17f926e8f145

  • SHA512

    67636a28d50baa7084f906e4dd062e9735878a58316fe4f192b048108116b30d70b490115480a1ee0c026f575c5754f7ee5ff1d85d9621e763916a3e5f818ae5

  • SSDEEP

    6144:ZLF1uGrQurPTqhI32rBMSEqUyYpXm+t18/yiyOii:ZnCqq2DHt+Ki7F

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-14_b8bfed7f47f26ff5def645a67f5e51b2_virlock

    • Size

      268KB

    • MD5

      b8bfed7f47f26ff5def645a67f5e51b2

    • SHA1

      e18dd5a4ebded19b2c48886ad33d8156131d712a

    • SHA256

      821ed7784b8672643dd327c2a95b250ca129d4469f328008d3fc17f926e8f145

    • SHA512

      67636a28d50baa7084f906e4dd062e9735878a58316fe4f192b048108116b30d70b490115480a1ee0c026f575c5754f7ee5ff1d85d9621e763916a3e5f818ae5

    • SSDEEP

      6144:ZLF1uGrQurPTqhI32rBMSEqUyYpXm+t18/yiyOii:ZnCqq2DHt+Ki7F

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (60) 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.

    • Deletes itself

    • 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