General

  • Target

    windows11

  • Size

    4KB

  • Sample

    240622-yhplyasbmg

  • MD5

    328f4b0cfc3dcf363a0b232f159e2c75

  • SHA1

    0ac450ff6c615d88f9da2e8836b547023d6e45a3

  • SHA256

    3bcfa8001e18dec51520fb89df030d98b9c72b1bf5c940b86710fb34033abbdf

  • SHA512

    471789e299ed7fff0709f3232b68735fcaffabf629b478e267c9c385ebd35e626ae4df1b9054c168cd2072bfb135cd22db32475a65e822e3eb1f97625a057729

  • SSDEEP

    48:0WRCmDpJU5clgYFud0i5breZWOehAtGgWqF1hVEQDVFFYreZGbJxDvWOHuQv:rCmFJU5cU3breSAxFFYreWJf

Malware Config

Targets

    • Target

      windows11

    • Size

      4KB

    • MD5

      328f4b0cfc3dcf363a0b232f159e2c75

    • SHA1

      0ac450ff6c615d88f9da2e8836b547023d6e45a3

    • SHA256

      3bcfa8001e18dec51520fb89df030d98b9c72b1bf5c940b86710fb34033abbdf

    • SHA512

      471789e299ed7fff0709f3232b68735fcaffabf629b478e267c9c385ebd35e626ae4df1b9054c168cd2072bfb135cd22db32475a65e822e3eb1f97625a057729

    • SSDEEP

      48:0WRCmDpJU5clgYFud0i5breZWOehAtGgWqF1hVEQDVFFYreZGbJxDvWOHuQv:rCmFJU5cU3breSAxFFYreWJf

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Tasks