Overview

overview

10

Static

static

10

e499f1b638...b5.exe

windows7-x64

10

e499f1b638...b5.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    e499f1b638fcbd4254bdc306c61029b17a44929410820d99976c3743d0be5ab5

  • Size

    91KB

  • Sample

    240602-ef3w1aaf53

  • MD5

    7c4350332083e20a58e3a62361e5820e

  • SHA1

    de2fa44583d719962db66f48e63d56a9fbc36e23

  • SHA256

    e499f1b638fcbd4254bdc306c61029b17a44929410820d99976c3743d0be5ab5

  • SHA512

    3fdb16ce5c3e4ea7815ee4e7b3abf5fe5c6a16925b4efc94b0a6ccd010169f2d69e17a7c64137c122d6b28bd6718c3611776cb88e6ee5b1165936793146dffb0

  • SSDEEP

    1536:kRsjd3GR2Dxy387Lnouy8VTkGrRsjd3GR2Dxy387Lnouy8VTY:kOgUXoutNkGrOgUXoutNY

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      e499f1b638fcbd4254bdc306c61029b17a44929410820d99976c3743d0be5ab5

    • Size

      91KB

    • MD5

      7c4350332083e20a58e3a62361e5820e

    • SHA1

      de2fa44583d719962db66f48e63d56a9fbc36e23

    • SHA256

      e499f1b638fcbd4254bdc306c61029b17a44929410820d99976c3743d0be5ab5

    • SHA512

      3fdb16ce5c3e4ea7815ee4e7b3abf5fe5c6a16925b4efc94b0a6ccd010169f2d69e17a7c64137c122d6b28bd6718c3611776cb88e6ee5b1165936793146dffb0

    • SSDEEP

      1536:kRsjd3GR2Dxy387Lnouy8VTkGrRsjd3GR2Dxy387Lnouy8VTY:kOgUXoutNkGrOgUXoutNY

    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

    • UPX dump on OEP (original entry point)

    • 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