Overview

overview

10

Static

static

3

8e543ea0c4...3N.exe

windows7-x64

10

8e543ea0c4...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8e543ea0c43b5b6aa251af4c69e6d4a2b96dd0a2e3f0da82787fd2f212c00de3N.exe

  • Size

    64KB

  • Sample

    241119-ve7fsstkcn

  • MD5

    1d55d85bc1f14e63a117d74f2d3a5380

  • SHA1

    53ac4293c83ccc6d8e3e53eebf9fdea1c4f12bdf

  • SHA256

    8e543ea0c43b5b6aa251af4c69e6d4a2b96dd0a2e3f0da82787fd2f212c00de3

  • SHA512

    3b914cd30f9412fc4bdda6b258b268c8640aac15f0d9899ce82608bb122af9eb0c47ca1223acfca0d4cc7da4bee8e94670e14d7e8aacf631d3b3fb7f91edcd1a

  • SSDEEP

    768:VNuG777/+V36n9PcXYvn8KR1I3NznRAQZlh4VkpX179r+R5NOwekflNuG777/+VS:V8w2VS9Eovn8KRgWmhZpX1QAwJ8w2VS

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      8e543ea0c43b5b6aa251af4c69e6d4a2b96dd0a2e3f0da82787fd2f212c00de3N.exe

    • Size

      64KB

    • MD5

      1d55d85bc1f14e63a117d74f2d3a5380

    • SHA1

      53ac4293c83ccc6d8e3e53eebf9fdea1c4f12bdf

    • SHA256

      8e543ea0c43b5b6aa251af4c69e6d4a2b96dd0a2e3f0da82787fd2f212c00de3

    • SHA512

      3b914cd30f9412fc4bdda6b258b268c8640aac15f0d9899ce82608bb122af9eb0c47ca1223acfca0d4cc7da4bee8e94670e14d7e8aacf631d3b3fb7f91edcd1a

    • SSDEEP

      768:VNuG777/+V36n9PcXYvn8KR1I3NznRAQZlh4VkpX179r+R5NOwekflNuG777/+VS:V8w2VS9Eovn8KRgWmhZpX1QAwJ8w2VS

    Score
    10/10
    discoveryevasionpersistence

    • 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 Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    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

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
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

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks