Overview

overview

10

Static

static

3

2024-01-01...ck.exe

windows7-x64

10

2024-01-01...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-01-01_91283d5928ffaa7196983a9ae646bdf7_virlock

  • Size

    447KB

  • Sample

    240105-ggj7dscger

  • MD5

    91283d5928ffaa7196983a9ae646bdf7

  • SHA1

    165a7572a811dd129c0876f73c2e38b6120d1540

  • SHA256

    93fa9bdb929a1ee4aaece8af8588fee01c4723956ec56bae03e9c9f841c09a80

  • SHA512

    539b421eb911ae014df9cdc1ebae6199317999f89826532d3a28e90032cdb5bd87c1ed684651042f550de4c922c38886442463aaea185e500ca91f25ffb41a4a

  • SSDEEP

    6144:Tf/4JlYD5p7QYUFYQjWzFN5jKYBfQtLuGK3El+QxmhuMahmz8o1x8UFtK8o:T3auUPmFPtuMH3BQxmhdL

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-01-01_91283d5928ffaa7196983a9ae646bdf7_virlock

    • Size

      447KB

    • MD5

      91283d5928ffaa7196983a9ae646bdf7

    • SHA1

      165a7572a811dd129c0876f73c2e38b6120d1540

    • SHA256

      93fa9bdb929a1ee4aaece8af8588fee01c4723956ec56bae03e9c9f841c09a80

    • SHA512

      539b421eb911ae014df9cdc1ebae6199317999f89826532d3a28e90032cdb5bd87c1ed684651042f550de4c922c38886442463aaea185e500ca91f25ffb41a4a

    • SSDEEP

      6144:Tf/4JlYD5p7QYUFYQjWzFN5jKYBfQtLuGK3El+QxmhuMahmz8o1x8UFtK8o:T3auUPmFPtuMH3BQxmhdL

    Score
    10/10
    evasionpersistencetrojanransomwarespywarestealer

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (71) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • 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

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks