Overview

overview

10

Static

static

3

202405223f...ck.exe

windows7-x64

10

202405223f...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    202405223f0c845467b75b09102609b7a2c31b50virlock

  • Size

    185KB

  • Sample

    240522-x3fdbsde3x

  • MD5

    3f0c845467b75b09102609b7a2c31b50

  • SHA1

    69d96b9d5bf8e47550541158ab94d3fc498a6b61

  • SHA256

    f9c0068ff988ec359ed3da3c6e4910302b9b50cf5e4cfbb512f8ef57f90d581e

  • SHA512

    345184fa284c0f9abb9ffd22e21e541313cef3bccb6bb9fc75e589c4c0aaa66cddfd0546e9e4015a0c0dbb4837135f6bfa6fac28437098741f2a43ab1cf28c01

  • SSDEEP

    3072:cVaq5FcYT5BbZYP/6pfVSSsORkMaibfpKG/7Qx0KgxGdjNuGtb/j4bljcEhk4Bm9:ufz5pZYPypff7tjxojI43ohk4

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      202405223f0c845467b75b09102609b7a2c31b50virlock

    • Size

      185KB

    • MD5

      3f0c845467b75b09102609b7a2c31b50

    • SHA1

      69d96b9d5bf8e47550541158ab94d3fc498a6b61

    • SHA256

      f9c0068ff988ec359ed3da3c6e4910302b9b50cf5e4cfbb512f8ef57f90d581e

    • SHA512

      345184fa284c0f9abb9ffd22e21e541313cef3bccb6bb9fc75e589c4c0aaa66cddfd0546e9e4015a0c0dbb4837135f6bfa6fac28437098741f2a43ab1cf28c01

    • SSDEEP

      3072:cVaq5FcYT5BbZYP/6pfVSSsORkMaibfpKG/7Qx0KgxGdjNuGtb/j4bljcEhk4Bm9:ufz5pZYPypff7tjxojI43ohk4

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (63) 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