b7e45687beadfe40b0cd06f7a9922c86b790f94767dc1f89c119d2f0bfbcdb41

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/09/2026, 22:45

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General

Target
jaffacakes118__2938e0cf5e00e3e3834683751c89ac10.dll
Size 96KB
Sample260920-2pft6adf57
SHA256 b7e45687beadfe40b0cd06f7a9922c86b790f94767dc1f89c119d2f0bfbcdb41
MD5 2938e0cf5e00e3e3834683751c89ac10
SHA1 4ba526f0ee0a677a7899865a249df5993496a826
SHA512 06c832768d20064f138b140f57fb12cae6370abab72ef43d485b3898fcc7322ada9c5fb779971de94662ec5633fa9aa4283c1ef8053eeb091e3cd7d4730ceba6
SSDEEP 1536:dukbMKf9cG0RRHIuJTPmDXQbIoVde5Jp76cpkRyHBvPM8M+gGrX+W:779mvHIUPm7Qb3Vde5ycsyxXjOW
TLSH
T170A38D06F628C0B2D0C271FE075D9FA6FA395E722888561773E0DB844B5C153EC22ADE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\PerMonitor = "{322c6b47-ec39-40ee-9e72-c022360d972d}"	regsvr32.exe

Loads dropped DLL 2 IoCs

pid	Process
1132	regsvr32.exe
1132	regsvr32.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Per\PerMonitor.dll	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{322c6b47-ec39-40ee-9e72-c022360d972d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{322c6b47-ec39-40ee-9e72-c022360d972d}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{322c6b47-ec39-40ee-9e72-c022360d972d}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Per\\PerMonitor.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{322c6b47-ec39-40ee-9e72-c022360d972d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1132	regsvr32.exe
1132	regsvr32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1132	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1132	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5920 wrote to memory of 1132	5920	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118__2938e0cf5e00e3e3834683751c89ac10.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5920
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118__2938e0cf5e00e3e3834683751c89ac10.dll
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1132

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

PerMonitor.dll

Path C:\Program Files (x86)\Common Files\Per\PerMonitor.dll
Size 96KB
SHA256 b7e45687beadfe40b0cd06f7a9922c86b790f94767dc1f89c119d2f0bfbcdb41
MD5 2938e0cf5e00e3e3834683751c89ac10
SHA1 4ba526f0ee0a677a7899865a249df5993496a826
SHA512 06c832768d20064f138b140f57fb12cae6370abab72ef43d485b3898fcc7322ada9c5fb779971de94662ec5633fa9aa4283c1ef8053eeb091e3cd7d4730ceba6
SSDEEP 1536:dukbMKf9cG0RRHIuJTPmDXQbIoVde5Jp76cpkRyHBvPM8M+gGrX+W:779mvHIUPm7Qb3Vde5ycsyxXjOW
TLSH
T170A38D06F628C0B2D0C271FE075D9FA6FA395E722888561773E0DB844B5C153EC22ADE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1132-5-0x0000000000FC0000-0x0000000000FD8000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads