Overview

overview

10

Static

static

10

997d907349...a4.exe

windows7-x64

10

997d907349...a4.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    997d9073490f99d3ab201aab5dc7c0ffa14fa018a003d24495477758c83539a4

  • Size

    3.0MB

  • Sample

    240409-1zxpzsdg22

  • MD5

    1138af762ea974c40591ecf18fc08510

  • SHA1

    748bf62069ad5e51063ce98fe1cc5b119de18bff

  • SHA256

    997d9073490f99d3ab201aab5dc7c0ffa14fa018a003d24495477758c83539a4

  • SHA512

    3559ef4ea08feb7a6a7255a6bffa9f8405ae0fb28e6ee6fc302c5f6eae1823b7d55ede073c4a8fe7149fbd587d63a655cc7fce422c4c8fe5555b07b49980e640

  • SSDEEP

    24576:PN7VG8rVG8tN7VG8WN7VG8rVG8tN7VG8YN7VG8rVG8tN7VG8kN7VG8rVG8tN7VGX:P55H5455H5i55H5m55H5055H5Q55H5s

Score
10/10
evasionpersistenceransomwaretrojanupx

Malware Config

Targets

    • Target

      997d9073490f99d3ab201aab5dc7c0ffa14fa018a003d24495477758c83539a4

    • Size

      3.0MB

    • MD5

      1138af762ea974c40591ecf18fc08510

    • SHA1

      748bf62069ad5e51063ce98fe1cc5b119de18bff

    • SHA256

      997d9073490f99d3ab201aab5dc7c0ffa14fa018a003d24495477758c83539a4

    • SHA512

      3559ef4ea08feb7a6a7255a6bffa9f8405ae0fb28e6ee6fc302c5f6eae1823b7d55ede073c4a8fe7149fbd587d63a655cc7fce422c4c8fe5555b07b49980e640

    • SSDEEP

      24576:PN7VG8rVG8tN7VG8WN7VG8rVG8tN7VG8YN7VG8rVG8tN7VG8kN7VG8rVG8tN7VGX:P55H5455H5i55H5m55H5055H5Q55H5s

    Score
    10/10
    evasionpersistenceransomwaretrojanupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • UPX dump on OEP (original entry point)

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Drops file in Drivers directory

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks