Overview

overview

10

Static

static

3

bf1f0f4b5c...JC.exe

windows7-x64

10

bf1f0f4b5c...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bf1f0f4b5ca40881613d79ca6167e58e_virlock_JC.exe

  • Size

    8.5MB

  • Sample

    230828-tz4d7sch24

  • MD5

    bf1f0f4b5ca40881613d79ca6167e58e

  • SHA1

    a0ac7705b4e4865f5049de6862355f06df117a65

  • SHA256

    269e4233370e7da4129e6276df1489203b56d9cf0cd688f42f39a961cd14daf1

  • SHA512

    605a57c6395281cef36f7d9bad348a0e30dbb017ed9b48040f953dd15493194d091be22358378f4cb5c9b52ceca572f12653547bfec097b631323dedbf9bbc32

  • SSDEEP

    196608:k4zQB0AIYDWgxYg4yRsYLOuBuKQZHuaqaWreGtCSNSRPTJr9y:eBjugSdKcHjetCzxB9y

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Targets

    • Target

      bf1f0f4b5ca40881613d79ca6167e58e_virlock_JC.exe

    • Size

      8.5MB

    • MD5

      bf1f0f4b5ca40881613d79ca6167e58e

    • SHA1

      a0ac7705b4e4865f5049de6862355f06df117a65

    • SHA256

      269e4233370e7da4129e6276df1489203b56d9cf0cd688f42f39a961cd14daf1

    • SHA512

      605a57c6395281cef36f7d9bad348a0e30dbb017ed9b48040f953dd15493194d091be22358378f4cb5c9b52ceca572f12653547bfec097b631323dedbf9bbc32

    • SSDEEP

      196608:k4zQB0AIYDWgxYg4yRsYLOuBuKQZHuaqaWreGtCSNSRPTJr9y:eBjugSdKcHjetCzxB9y

    Score
    10/10
    evasionpersistencespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • 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