3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85

Analysis

max time kernel
150s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 02:32

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General

Target
3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
Size 12.2MB
Sample260804-c1ad3sbf57
SHA256 3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85
MD5 e82092e555e6d038b13c738d9e4fbc3d
SHA1 2b333766615cd43931eb40ee5e211195cbe4cf71
SHA512 b3fbe93a5d4bae0a630d299ad5abcd5631f400249bb4ef8335f0be89cb70df717c34d482131b5729a3adef7a17d1d98aa7d86ea300f7de2d930ef2c26b7a2b93
SSDEEP 196608:toO9MumjhYY2ZPHUtg/TPI01ErLzbW3Jeug0ThTP/0gfxnZCTXTVtI:t/9MukhByFTP9o72T90GATXTo
TLSH
T1A0D6330024CFCC92F48A017AD5AC5FEABA6712AF46306AE190575C9DF17789CF6EF121
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Loads dropped DLL 8 IoCs

pid	Process
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
3588	regsvr32.exe
4904	regsvr32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\OpenLess\openless.exe	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
File created	C:\Program Files\OpenLess\uninstall.exe	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
File created	C:\Program Files\OpenLess\windows-ime\x64\OpenLessIme.dll.new	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
File created	C:\Program Files\OpenLess\windows-ime\x86\OpenLessIme.dll.new	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe

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 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\ = "OpenLess Voice Input"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\InprocServer32\ = "C:\\Program Files\\OpenLess\\windows-ime\\x86\\OpenLessIme.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\ = "OpenLess Voice Input"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\InprocServer32\ = "C:\\Program Files\\OpenLess\\windows-ime\\x64\\OpenLessIme.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6B9F3F4F-5EE7-42D6-9C61-9F80B03A5D7D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6076 wrote to memory of 936	6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe	88
PID 6076 wrote to memory of 3508	6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe	89
PID 6076 wrote to memory of 3332	6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe	90
PID 6076 wrote to memory of 3588	6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe	91
PID 6076 wrote to memory of 4904	6076	3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe	92

C:\Users\Admin\AppData\Local\Temp\3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe
"C:\Users\Admin\AppData\Local\Temp\3f863e70283c3da576fcbca53c5dc4fad67c2ef27467883312af4ffb31bc0f85.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:6076
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\SysWOW64\regsvr32.exe" /s /u "C:\Program Files\OpenLess\windows-ime\x86\OpenLessIme.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:936
- C:\Windows\system32\regsvr32.exe
  "C:\Windows\Sysnative\regsvr32.exe" /s /u "C:\Program Files\OpenLess\windows-ime\x64\OpenLessIme.dll"
  2⤵
  PID:3508
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s /u "C:\Program Files\OpenLess\windows-ime\x64\OpenLessIme.dll"
  2⤵
  PID:3332
- C:\Windows\system32\regsvr32.exe
  "C:\Windows\Sysnative\regsvr32.exe" /s "C:\Program Files\OpenLess\windows-ime\x64\OpenLessIme.dll"
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:3588
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\SysWOW64\regsvr32.exe" /s "C:\Program Files\OpenLess\windows-ime\x86\OpenLessIme.dll"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4904

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

OpenLessIme.dll

Path C:\Program Files\OpenLess\windows-ime\x64\OpenLessIme.dll
Size 185KB
SHA256 1d2d42173da35ea1f618775e64420ad03c0045a4efa8d62f5672fab48ce43757
MD5 116e627edcc7fe7ad910bcb39e50ff84
SHA1 07215db82ad08a0d047b8ff61dd92f0bb27e659d
SHA512 d44d1cdf9c0584739205ab0b14ad2eb7f94ac7c26843772c9b4ce8db4c93203cd3d1a6623ce4a63abb0fb980b006dcfd1eeb3eab0b3b4dae7bcef902ee9582e8
SSDEEP 3072:QaTN5dCRzm/M6RMKumMVe4cf1L5nsUjduz/aulo2JX4:RTHUhm/JCS4ctWUs+s
TLSH
T1FE048D56B3A900BAEC739279C9570A41F3B2785507609BDF07A087B5AF2F3D0593EB21
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

OpenLessIme.dll

Path C:\Program Files\OpenLess\windows-ime\x86\OpenLessIme.dll
Size 147KB
SHA256 a77ca8f99c4cc5db1ecc6269d2a899cbc426abcee4790263d33217babd144d6f
MD5 caa1de4a9819e9b0cea02d3b1bc3bcc3
SHA1 41cd783df45cfefec86bf16e814ac62ff320af2e
SHA512 2ecc1212538afd766730a264d03095ad14f3a2fe1194df4d5c538e348d1bd3cdae9522d69f8a4390d3febab1df841b9f85e0e60f86234c242602216924ebebfd
SSDEEP 3072:F42whAPmeDQThXO/a4YVNIeOE1bGkinJk7WB+0K7l42ZRRLTj0:F4fhaLDkXO/aBNI5E1hik7Xz/j0
TLSH
T136E38D0175D1C036D6BE153908B4CAB2977E7970EFA09ECB6B940EBA5E701C09E35D27
MD5 SHA1 SHA512 SSDEEP TLSH

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nssE288.tmp\System.dll
Size 12KB
SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
TLSH
T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

modern-wizard.bmp

Path C:\Users\Admin\AppData\Local\Temp\nssE288.tmp\modern-wizard.bmp
Size 25KB
SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
MD5 cbe40fd2b1ec96daedc65da172d90022
SHA1 366c216220aa4329dff6c485fd0e9b0f4f0a7944
SHA512 62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
SSDEEP 24:Qwika6aSaaDaVYoG6abuJsnZs5GhI11BayNXPcDrSsUWcSphsWwlEWqCl6aHAX2x:Qoi47a5G8SddzKFIcsOz3Xz
TLSH
T139C29757DE6B6EA4BE0804EF1A0694931C71FE211AB0CD0561D2B767B4FC93B19A0B3C
MD5 SHA1 SHA512 SSDEEP TLSH

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nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nssE288.tmp\nsDialogs.dll
Size 9KB
SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 8f0e7415f33843431df308bb8e06af81
SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
TLSH
T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
MD5 SHA1 SHA512 SSDEEP TLSH

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nsis_tauri_utils.dll

Path C:\Users\Admin\AppData\Local\Temp\nssE288.tmp\nsis_tauri_utils.dll
Size 33KB
SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
SHA1 75197fee3c6a814fe035788d1c34ead39349b860
SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
TLSH
T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
MD5 SHA1 SHA512 SSDEEP TLSH

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