Overview
overview
7Static
static
3IROK_Setup...ne.exe
windows10-ltsc_2021-x64
7browser/re...1.tlog
windows10-ltsc_2021-x64
3browser/re...1.tlog
windows10-ltsc_2021-x64
3browser/re...1.tlog
windows10-ltsc_2021-x64
3browser/re...1.tlog
windows10-ltsc_2021-x64
3browser/re...al.log
windows10-ltsc_2021-x64
1browser/re...il.xml
windows10-ltsc_2021-x64
3browser/re...oj.xml
windows10-ltsc_2021-x64
3browser/re...ack.js
windows10-ltsc_2021-x64
3browser/re...dex.js
windows10-ltsc_2021-x64
3browser/re...e.json
windows10-ltsc_2021-x64
3browser/re...l.node
windows10-ltsc_2021-x64
3browser/re...l.node
windows10-ltsc_2021-x64
3browser/re...il.dll
windows10-ltsc_2021-x64
3browser/re...il.dll
windows10-ltsc_2021-x64
1browser/re...util.c
windows10-ltsc_2021-x64
3browser/re...ICENSE
windows10-ltsc_2021-x64
3browser/re...ack.js
windows10-ltsc_2021-x64
3browser/re...dex.js
windows10-ltsc_2021-x64
3browser/re...e.json
windows10-ltsc_2021-x64
3browser/re...i.node
windows10-ltsc_2021-x64
3browser/re...i.node
windows10-ltsc_2021-x64
3browser/re...pi.dll
windows10-ltsc_2021-x64
3browser/re...pi.dll
windows10-ltsc_2021-x64
1browser/re...tion.c
windows10-ltsc_2021-x64
3browser/re...te.exe
windows10-ltsc_2021-x64
3browser/sn...ob.bin
windows10-ltsc_2021-x64
3browser/v8...ot.bin
windows10-ltsc_2021-x64
3browser/vk...er.dll
windows10-ltsc_2021-x64
1browser/vk...d.json
windows10-ltsc_2021-x64
3browser/vulkan-1.dll
windows10-ltsc_2021-x64
1uninstall.exe.nsis
windows10-ltsc_2021-x64
3Analysis
- max time kernel
898s - max time network
438s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
07/09/2026, 03:48
Static task
static1
Behavioral task
behavioral1
Sample
IROK_Setup_v2.6.0.1_online.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/Release/obj/bufferutil/bufferutil.tlog/link.command.1.tlog
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/Release/obj/bufferutil/bufferutil.tlog/link.read.1.tlog
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral4
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/Release/obj/bufferutil/bufferutil.tlog/link.secondary.1.tlog
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral5
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/Release/obj/bufferutil/bufferutil.tlog/link.write.1.tlog
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral6
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/Release/obj/bufferutil/vcpkg.applocal.log
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral7
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/bufferutil.xml
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral8
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/bufferutil.vcxproj.xml
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral9
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/fallback.js
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral10
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/index.js
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral11
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/package.json
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral12
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/darwin-x64+arm64/bufferutil.node
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral13
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/linux-x64/bufferutil.node
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral14
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/win32-ia32/bufferutil.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral15
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/prebuilds/win32-x64/bufferutil.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral16
Sample
browser/resources/app.asar.unpacked/node_modules/bufferutil/src/bufferutil.c
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral17
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/LICENSE
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral18
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/fallback.js
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral19
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/index.js
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral20
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/package.json
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral21
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/prebuilds/darwin-x64+arm64/node.napi.node
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral22
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/prebuilds/linux-x64/node.napi.node
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral23
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/prebuilds/win32-ia32/node.napi.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral24
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/prebuilds/win32-x64/node.napi.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral25
Sample
browser/resources/app.asar.unpacked/node_modules/utf-8-validate/src/validation.c
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral26
Sample
browser/resources/elevate.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral27
Sample
browser/snapshot_blob.bin
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral28
Sample
browser/v8_context_snapshot.bin
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral29
Sample
browser/vk_swiftshader.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral30
Sample
browser/vk_swiftshader_icd.json
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral31
Sample
browser/vulkan-1.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral32
Sample
uninstall.exe.nsis
Resource
win10ltsc2021-20260513-en
General
- Target browser/resources/app.asar.unpacked/node_modules/utf-8-validate/prebuilds/win32-ia32/node.napi.dll
- Size 119KB
- Sample260907-ec7qsaee87
- SHA256 0808ab542c43b9df85b668a02f0705529b7bb9ac79e26b0776682657c6005352
- MD5 5393f4627178086c3fc6002a46ed7282
- SHA1 c1337f1d3d21ea57ea3029ba45989ebc074920bd
- SHA512 7492b616080ad51f429036a31d2686e179f96f8b45f57bb2fc9b184e77a5c99b00ea66ffca03aa5a7f0352d4b06976b782c14ca17a2f23553923b506340f63e3
- SSDEEP 3072:3h647Utr5SJnr16sgKNhaqKpgn/MbFDIMHk:RCVCrwKNhhWgwHk
- TLSH T1A4C36B01B5D0C032D4BE19380530CB7A9B7FB970DE609D9BA7941ABA5F702C1DE25E6B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 2 IoCs
pid pid_target Process procid_target 2828 4940 WerFault.exe 84 552 4940 WerFault.exe 84 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1428 wrote to memory of 4940 1428 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\browser\resources\app.asar.unpacked\node_modules\utf-8-validate\prebuilds\win32-ia32\node.napi.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\browser\resources\app.asar.unpacked\node_modules\utf-8-validate\prebuilds\win32-ia32\node.napi.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4940 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 5603⤵
- Program crash
PID:2828
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 8003⤵
- Program crash
PID:552
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4940 -ip 49401⤵PID:3904
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4940 -ip 49401⤵PID:2052