Overview
overview
6Static
static
6ivsa-main/...fig.js
windows10-2004-x64
3ivsa-main/...fig.js
windows11-21h2-x64
3ivsa-main/ivsa
ubuntu-18.04-amd64
ivsa-main/ivsa
debian-9-armhf
ivsa-main/ivsa
debian-9-mips
ivsa-main/ivsa
debian-9-mipsel
ivsa-main/ivsa.bat
windows10-2004-x64
1ivsa-main/ivsa.bat
windows11-21h2-x64
1ivsa-main/...fig.js
windows10-2004-x64
3ivsa-main/...fig.js
windows11-21h2-x64
3ivsa-main/...er.pdf
windows10-2004-x64
3ivsa-main/...er.pdf
windows11-21h2-x64
3ivsa-main/...ng.pdf
windows10-2004-x64
3ivsa-main/...ng.pdf
windows11-21h2-x64
3ivsa-main/...W4.pdf
windows10-2004-x64
3ivsa-main/...W4.pdf
windows11-21h2-x64
3ivsa-main/...te.pdf
windows10-2004-x64
3ivsa-main/...te.pdf
windows11-21h2-x64
3ivsa-main/...W4.pdf
windows10-2004-x64
3ivsa-main/...W4.pdf
windows11-21h2-x64
3ivsa-main/...s1.pdf
windows10-2004-x64
3ivsa-main/...s1.pdf
windows11-21h2-x64
3ivsa-main/...es.pdf
windows10-2004-x64
3ivsa-main/...es.pdf
windows11-21h2-x64
3ivsa-main/...te.pdf
windows10-2004-x64
3ivsa-main/...te.pdf
windows11-21h2-x64
3ivsa-main/...al.doc
windows10-2004-x64
1ivsa-main/...al.doc
windows11-21h2-x64
1ivsa-main/...ed.pdf
windows10-2004-x64
3ivsa-main/...ed.pdf
windows11-21h2-x64
3ivsa-main/src/app.js
windows10-2004-x64
3ivsa-main/src/app.js
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/04/2026, 00:32
Behavioral task
behavioral1
Sample
ivsa-main/babel.config.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
ivsa-main/babel.config.js
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
ivsa-main/ivsa
Resource
ubuntu1804-amd64-20260126-en
Behavioral task
behavioral4
Sample
ivsa-main/ivsa
Resource
debian9-armhf-20260126-en
Behavioral task
behavioral5
Sample
ivsa-main/ivsa
Resource
debian9-mipsbe-20260126-en
Behavioral task
behavioral6
Sample
ivsa-main/ivsa
Resource
debian9-mipsel-20260126-en
Behavioral task
behavioral7
Sample
ivsa-main/ivsa.bat
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
ivsa-main/ivsa.bat
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
ivsa-main/rollup.config.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
ivsa-main/rollup.config.js
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
ivsa-main/sample_files/GraphPaper.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
ivsa-main/sample_files/GraphPaper.pdf
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
ivsa-main/sample_files/Regifying.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
ivsa-main/sample_files/Regifying.pdf
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
ivsa-main/sample_files/W4.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
ivsa-main/sample_files/W4.pdf
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
ivsa-main/sample_files/binder/ArcToolTemplate.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
ivsa-main/sample_files/binder/ArcToolTemplate.pdf
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
ivsa-main/sample_files/binder/W4.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
ivsa-main/sample_files/binder/W4.pdf
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
ivsa-main/sample_files/f1040s1.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
ivsa-main/sample_files/f1040s1.pdf
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
ivsa-main/sample_files/pdf/LegalNotices.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
ivsa-main/sample_files/pdf/LegalNotices.pdf
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
ivsa-main/sample_files/pdf/LineToolTemplate.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
ivsa-main/sample_files/pdf/LineToolTemplate.pdf
Resource
win11-20260130-en
Behavioral task
behavioral27
Sample
ivsa-main/sample_files/tc/ConfidentialityAgreement-Original.doc
Resource
win10v2004-20260130-en
Behavioral task
behavioral28
Sample
ivsa-main/sample_files/tc/ConfidentialityAgreement-Original.doc
Resource
win11-20260130-en
Behavioral task
behavioral29
Sample
ivsa-main/sample_files/tc/ConfidentialityAgreement-Revised.pdf
Resource
win10v2004-20260130-en
Behavioral task
behavioral30
Sample
ivsa-main/sample_files/tc/ConfidentialityAgreement-Revised.pdf
Resource
win11-20260130-en
Behavioral task
behavioral31
Sample
ivsa-main/src/app.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral32
Sample
ivsa-main/src/app.js
Resource
win11-20260130-en
General
- Target ivsa-main/sample_files/tc/ConfidentialityAgreement-Original.doc
- Size 33KB
- Sample260423-avncmsf12m
- SHA256 b542f07326a9adbc95e60f054ccd5e8385b91bd999ec88fcaacdddd6dd4a905c
- MD5 66d80701286bcf04a1585115c6b98957
- SHA1 1e3122f9bf5038681ea239486e77e69897f96164
- SHA512 a9191daee1612d841596535d80084413270264c449cbec6403f11da640bd089171c8a8fe0d751f09620dfa1dd9d35b602164155f953d47dccb228d88d56e7ded
- SSDEEP 384:rsGSX4bBheTfSiSUR/8dDn/v6txzgo/Xxz5NxzIL:gG64Q/q+txzgoPxz5NxzIL
- TLSH T112F2C582F381CE73F6D2013468A3E294B339BD6E5F5AD15B7698BB9D7A708705361340
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4432 WINWORD.EXE 4432 WINWORD.EXE - Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 4432 WINWORD.EXE 4432 WINWORD.EXE 4432 WINWORD.EXE 4432 WINWORD.EXE 4432 WINWORD.EXE 4432 WINWORD.EXE 4432 WINWORD.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\ivsa-main\sample_files\tc\ConfidentialityAgreement-Original.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4432
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
- Size 2B
- SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
- MD5 f3b25701fe362ec84616a93a45ce9998
- SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
- MD5 SHA1 SHA512