Overview

overview

10

Static

static

7

4a11342b98...6a.exe

windows7-x64

10

4a11342b98...6a.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    4a11342b983b085b824b8a22500dfa0928c80b32c450f59238c5b0a6331c9a6a

  • Size

    91KB

  • Sample

    240629-zskw6szblp

  • MD5

    5f1f5c22513cd4073f9c28f6af42efd1

  • SHA1

    88d8d6d074c22e48a00e58f4b617e3020def6819

  • SHA256

    4a11342b983b085b824b8a22500dfa0928c80b32c450f59238c5b0a6331c9a6a

  • SHA512

    3acc4913fed2305b42c61360a34bef6a10fe3454a1c55d755e83e3d716049e70c2d91073cef902e52a5e7c33bb57ecfe3bda6bd67847e043f39dd27d07e9a483

  • SSDEEP

    1536:ERsjdf1aM67v32Z9x5nouy8VTHRsjdf1aM67v32Z9x5nouy8VT+W:EOaHv3YpoutNHOaHv3YpoutN+W

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      4a11342b983b085b824b8a22500dfa0928c80b32c450f59238c5b0a6331c9a6a

    • Size

      91KB

    • MD5

      5f1f5c22513cd4073f9c28f6af42efd1

    • SHA1

      88d8d6d074c22e48a00e58f4b617e3020def6819

    • SHA256

      4a11342b983b085b824b8a22500dfa0928c80b32c450f59238c5b0a6331c9a6a

    • SHA512

      3acc4913fed2305b42c61360a34bef6a10fe3454a1c55d755e83e3d716049e70c2d91073cef902e52a5e7c33bb57ecfe3bda6bd67847e043f39dd27d07e9a483

    • SSDEEP

      1536:ERsjdf1aM67v32Z9x5nouy8VTHRsjdf1aM67v32Z9x5nouy8VT+W:EOaHv3YpoutNHOaHv3YpoutN+W

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks