ea650215af1d90d83c4bbfebe814926d8ddb4ffb9797be83b93bef35b2bbabd4

Analysis

max time kernel
23s
max time network
171s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/07/2026, 15:19

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General

Target
DLL/E_PRLGR7.dll
Size 100KB
Sample260707-sqlblagx7p
SHA256 ea650215af1d90d83c4bbfebe814926d8ddb4ffb9797be83b93bef35b2bbabd4
MD5 2ee89b932e4c0a7f503dd349d587630b
SHA1 159ecabf22e39588350ec8785dddf0936385ae8e
SHA512 c6113f1a991e53b6b765dd6d93a55dc51ec2d5b4f317e0bb92002240e217cac1c10afd02b9b5b561e68b822de93fe227db6b2d104967e99ba6b7e24dfd8acb70
SSDEEP 1536:Ns6t3wZBy373C6x8qVkXdVDPmbsfc0ahz/s26YmJsG/ymch:Ns4Mm8YkHDPmoUo/ymch
TLSH
T1B9A35B213690C135C8D631BC56DCAB3163BEA4700BB485CB7BA917EDD9A07C1AB3539B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Enumerates connected drives 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	explorer.exe
File opened (read-only)	\??\F:	explorer.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	rundll32.exe

Modifies registry class 13 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2049790993-2338060321-149346055-1000\{8F2AB868-4DA6-4B9E-8304-06790EE92F24}	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3044	explorer.exe
Token: SeCreatePagefilePrivilege	3044	explorer.exe
Token: SeShutdownPrivilege	3044	explorer.exe
Token: SeCreatePagefilePrivilege	3044	explorer.exe
Token: SeShutdownPrivilege	3044	explorer.exe
Token: SeCreatePagefilePrivilege	3044	explorer.exe
Token: SeShutdownPrivilege	3044	explorer.exe
Token: SeCreatePagefilePrivilege	3044	explorer.exe
Token: SeShutdownPrivilege	3044	explorer.exe
Token: SeCreatePagefilePrivilege	3044	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4532	sihost.exe
3044	explorer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 5716	1416	rundll32.exe	88
PID 4532 wrote to memory of 3044	4532	sihost.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DLL\E_PRLGR7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\DLL\E_PRLGR7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5716

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Enumerates connected drives
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3044

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:5608

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:2116

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4980

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2116-21-0x0000028100450000-0x0000028100550000-memory.dmp

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memory/2116-38-0x0000028103CC0000-0x0000028103CE0000-memory.dmp

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memory/2116-44-0x00000281040C0000-0x00000281040E0000-memory.dmp

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memory/2116-40-0x00000281141B0000-0x00000281142B0000-memory.dmp

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memory/2116-67-0x0000028114500000-0x0000028114520000-memory.dmp

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memory/2116-182-0x0000028100120000-0x0000028100387000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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