371096654bf9e8515ad9d33ee3bd00c425c7b62f1300969c792e45e308f3b95a

Analysis

max time kernel
150s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/07/2026, 15:33

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General

Target
SmartCardLogonsetupX32(General).exe
Size 5.6MB
Sample260712-szns3set3w
SHA256 371096654bf9e8515ad9d33ee3bd00c425c7b62f1300969c792e45e308f3b95a
MD5 f05c84aa644b9c65dafd6f40b419fa15
SHA1 ea4c48c798b7d42788d19d7445259e4b8f60330b
SHA512 06cd46f05e6e7c2340e6e4aecc8360ea24524e1a3710b51196a48fd6917b5f792da25c5ffa73766389d27df0cecfbc89ec6c11f597a41de0c54e12fad8134f15
SSDEEP 98304:O06FOznLo0+Dd6uxczWy/JrHMhdpLCx8xewuOCCwLwXTtigLnEWy/JrHMhdRFXVs:O3F6n80W6uG6y/5stLc8NucwEi8y/5su
TLSH
T1AF563351F392C0F1E4AA14F84A354AB64FBB7C31477AC1E35FE169298E243E0973265A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5852	irsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
5852	irsetup.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000e00000001c570-5.dat	upx
behavioral2/memory/5852-10-0x0000000000400000-0x00000000007CB000-memory.dmp	upx
behavioral2/memory/5852-19-0x0000000000400000-0x00000000007CB000-memory.dmp	upx
behavioral2/memory/5852-20-0x0000000000400000-0x00000000007CB000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	SmartCardLogonsetupX32(General).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irsetup.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	irsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	irsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	irsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	irsetup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5852	irsetup.exe
5852	irsetup.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 5852	4132	SmartCardLogonsetupX32(General).exe	87

C:\Users\Admin\AppData\Local\Temp\SmartCardLogonsetupX32(General).exe
"C:\Users\Admin\AppData\Local\Temp\SmartCardLogonsetupX32(General).exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1742194 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\SmartCardLogonsetupX32(General).exe" "__IRCT:0" "__IRTSS:0" "__IRSID:S-1-5-21-3611646547-550105268-947503007-1000"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:5852

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

irsetup.exe

Path C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
Size 1.3MB
SHA256 5ffd4b20dccfb84c8890abdb780184a7651e760aefba4ab0c6fba5b2a81f97d9
MD5 dec931e86140139380ea0df57cd132b6
SHA1 b717fd548382064189c16cb94dda28b1967a5712
SHA512 14d594e88c4a1f0ec8bc1b4fe2d66e26358f907b1106c047ada35d500ca9e608f1ce5a57599453cf10f11f4d9f1948ced9056ce8bd944b16eca7e9b83e8b27af
SSDEEP 24576:8FYGY9+9d/G7P9lkQ/exnzGn4dLsUvqkaT+0BpCCh+PDed:TN26FOnzGn6LJvqkwnpC+m
TLSH
T15C5533D2FB4552F4FDFE48B449538D2287255E379BEF8A132320F91BEA74510B981C25
MD5 SHA1 SHA512 SSDEEP TLSH

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lua5.1.dll

Path C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll
Size 318KB
SHA256 12cb9b8f59c00ef40ea8f28bfc59a29f12dc28332bf44b1a5d8d6a8823365650
MD5 b5fc476c1bf08d5161346cc7dd4cb0ba
SHA1 280fac9cf711d93c95f6b80ac97d89cf5853c096
SHA512 17fa97f399287b941e958d2d42fe6adb62700b01d9dbe0c824604e8e06d903b330f9d7d8ffb109bfb7f6742f46e7e9cedad6981f0d94d629b8402d0a0174f697
SSDEEP 6144:ukn2LG5bwf92+0HiDhAqUS0aMkvAvBtAOj+JzOghK:r2x2cdUhZuIBt8xc
TLSH
T12764AE03B283C472D5A500B90569D7BA4E7A79714776D4F7EBD01AAD8E203E0A73738E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/5852-10-0x0000000000400000-0x00000000007CB000-memory.dmp

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memory/5852-19-0x0000000000400000-0x00000000007CB000-memory.dmp

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memory/5852-20-0x0000000000400000-0x00000000007CB000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads