Overview

overview

10

Static

static

3

2024-05-05...ck.exe

windows7-x64

10

2024-05-05...ck.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-05-05_e5c7e3a54080fe854a0947194ef88a89_virlock

  • Size

    563KB

  • Sample

    240505-psm2esdd63

  • MD5

    e5c7e3a54080fe854a0947194ef88a89

  • SHA1

    90b7aa09a9a5e4d3299b7a48a558ccd5837102ce

  • SHA256

    aa72822181c3909edf6308b94d313f7e0e6707e51984a992baf5f2e47bd05fed

  • SHA512

    4f109c0a0b437a748ef46f59a4e0a88a5d4606762cbb89d519bc439d4f3e6f9adbae4c15d9d9476ab60ee34d86a489b954bebea223a42fbbcdfcf1fe0dbdebd5

  • SSDEEP

    6144:OO9xcnLqQo/cEcAUI1WXbxRzil6sAROrHgV8vBCqfpDdOSQbcYomDY6EoA:h96LqQsDUI2zOFtry8vAGOSQbu

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-05_e5c7e3a54080fe854a0947194ef88a89_virlock

    • Size

      563KB

    • MD5

      e5c7e3a54080fe854a0947194ef88a89

    • SHA1

      90b7aa09a9a5e4d3299b7a48a558ccd5837102ce

    • SHA256

      aa72822181c3909edf6308b94d313f7e0e6707e51984a992baf5f2e47bd05fed

    • SHA512

      4f109c0a0b437a748ef46f59a4e0a88a5d4606762cbb89d519bc439d4f3e6f9adbae4c15d9d9476ab60ee34d86a489b954bebea223a42fbbcdfcf1fe0dbdebd5

    • SSDEEP

      6144:OO9xcnLqQo/cEcAUI1WXbxRzil6sAROrHgV8vBCqfpDdOSQbcYomDY6EoA:h96LqQsDUI2zOFtry8vAGOSQbu

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (85) 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