Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/10/2026, 13:28
Behavioral task
behavioral1
Sample
02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
General
- Target 02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9.exe
- Size 307KB
- Sample261024-qqt8dszs5m
- SHA256 02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9
- MD5 cbe6ac18a723de224012a95eb7cc3d30
- SHA1 89f02a562d1ac544a0bf927298e62e6e78b9dbdf
- SHA512 f9c8bac906cff8eb4604153640a2e661f967f317df392022171fe08d4bbfc6ea1b4fbd6f422e87ace039c2dc630682727b8bbb402315e59fc7635168aaebc934
- SSDEEP 6144:MNdf0ec5+p/+H6Yp65n1oS89t2QLASrHUxBSaN1H:MnWHTc5n1oS8CQpaN1H
- TLSH T127641A1BB3E309FCD66B823986A6D3729931F4140335FA1E1A94CB333D61D605F6AB58
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
pid Process 1480 Eupdate Helper.exe 1908 Eupdate Helper.exe 4668 Eupdate Helper.exe -
resource yara_rule behavioral1/memory/1600-0-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/memory/1600-10-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/memory/1480-18-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/memory/1908-25-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/memory/1480-49-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/memory/4668-47-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/files/0x000700000002436d-39.dat upx behavioral1/files/0x000700000002436a-28.dat upx behavioral1/memory/1908-63-0x0000000140000000-0x0000000140050000-memory.dmp upx behavioral1/memory/4668-64-0x0000000140000000-0x0000000140050000-memory.dmp upx - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Eupdate Helper.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Eupdate Helper.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe 1908 Eupdate Helper.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1600 wrote to memory of 1480 1600 02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9.exe"C:\Users\Admin\AppData\Local\Temp\02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe"C:\Users\Admin\AppData\Local\Temp\02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9.exe"2⤵
- Executes dropped EXE
PID:1480
-
-
C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe"C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --service1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:1908
-
C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe"C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --guard1⤵
- Executes dropped EXE
PID:4668
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
- Size 307KB
- SHA256 5b2830542b4c848da2e2b447f3874ef2e9da3b481e7a92b9bd3e524c45f7fc80
- MD5 966fb0db6fc59fe15d71b11aec163cee
- SHA1 158a1749a901d0be0d95e65238f986f9b04f65db
- SHA512 df78773f5d50f81f2028c566122b7e679c61c2666c72a3d986c4832a6ad2ef4d0f47ece5ea36e0dbb1814bccc1011b68bb8a0c0a68be449ee5120e5665a2023d
- SSDEEP 6144:MNdf0ec5+p/+H6Yp65n1oS89t2QLASrHUxBSaN1Y:MnWHTc5n1oS8CQpaN1Y
- TLSH T142641A1BB3E309FCD66B823986A6D3729931F4140335FA1E1A94CB333D61D605F6AB58
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe.old
- Size 307KB
- SHA256 02ef8362744127c39509d775fa8396b798fcc5f3579f17c310182377e73cc6d9
- MD5 cbe6ac18a723de224012a95eb7cc3d30
- SHA1 89f02a562d1ac544a0bf927298e62e6e78b9dbdf
- SHA512 f9c8bac906cff8eb4604153640a2e661f967f317df392022171fe08d4bbfc6ea1b4fbd6f422e87ace039c2dc630682727b8bbb402315e59fc7635168aaebc934
- SSDEEP 6144:MNdf0ec5+p/+H6Yp65n1oS89t2QLASrHUxBSaN1H:MnWHTc5n1oS8CQpaN1H
- TLSH T127641A1BB3E309FCD66B823986A6D3729931F4140335FA1E1A94CB333D61D605F6AB58
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\EupdateHelper.log
- Size 3KB
- SHA256 37e7b31318c4cdbbc1a5b6eea525e8cd50244e5403edd5f23e78b89f77fb183a
- MD5 4a4614c1bb6c2be130d2c42cc7394933
- SHA1 8b350b204a52d277672ab2a3f57a4578ed026073
- SHA512 4bb7d186bce49aa5affdecd4c49a3badfe7f3df48b021b216436d099cb11d6100d0e82dd6ce13871aaaf7c2824fbf254e91df0e7f60931659b5c1dd6f75c6c4b
- TLSH T19051A63E5AE81116EBF6EA07D8FA450B79B978926975D80C02C087CD0D61B05B9E3F8D
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\EupdateHelper.log
- Size 866B
- SHA256 24b30c0a0afcf4ca318be05b43497799ea3c5ae1b59a43726ee86db9ff930a20
- MD5 29e20a11d5fc1d74fba47067b95eefb9
- SHA1 88c97b9a15ddb41a875746c3387d10897d1883ea
- SHA512 9cf348ca81087c1054fa02708183d0e65e956bbf58848c2b0c0599b0cb75662a84baf9818a5800dcfacf611970e10aa83da037bb985767e1f40b10caf834a651
- TLSH T1B511B52E5AE41616D7B6DA13D4EA010BB87478937935AC0C06C043CC1D71B45B5D3F8D
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\TEMP\EupdateHelper.log
- Size 3KB
- SHA256 d4813ebbdd5afa0d822c059d81ffff59a89bde5bf7ee79e3529eb41fcd4c2c7c
- MD5 8909a230ee62cf462c5f70e0b89d7fc2
- SHA1 77740ed3e5500c7c9041c3af802bb4404c5ae2d4
- SHA512 93113e4d81b978a2ccbfcc6231c4f773cf962e9d545b7e39f585272a6febf94c4f9421fcb043f6ec7945919ad99e983b6f6c7e6a3ca7734173a2ec82280bffb0
- TLSH T15081962F1BD50116F6B3DA03C8F7850AB9753992AA75DD4C02C086CD1D73606F5A3F9A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\Temp\EupdateHelper.log
- Size 3KB
- SHA256 a1b1b191d55beae246ccf7c4533bac4e550cec0800950183c6f87aa501d50b9c
- MD5 02ae482d3442d36f0834841e87657396
- SHA1 49baeafc594a7948e545c79253df2b2758d66667
- SHA512 12499595a0bcb087ed3dc7608b9f3d81e22a781760fb141e6d0220fd85352014b7e1717464565f6605acb856cbba840dcaa9d8ad8cad1e62f04db570763c789d
- TLSH T1D071922F1BD50116F6B3DA03C8F7860AB9753992AA75D94C02C086CD1D73606F6E3F9A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\Temp\EupdateHelper.log
- Size 4KB
- SHA256 8c222284a152384750f95b9442f4f73cdd34f9d287142e443a8f48c0ac4c7369
- MD5 4363bf50c08de66988cc5ad45a9c8343
- SHA1 b4f8edd87fb150927f9c9287d071b6b844c817e4
- SHA512 29815e1c03892663cfede7445ca7c38d4cc705fd6db44b4593f039d700a4e1684af3a7848479e8bacc71bea544f0113fe24964b3d99dd5bd2bfbddbde0e34b05
- SSDEEP 48:d208KYnHyL+IuXM2tsYPsyXN2075wmoSLnHeg0ghfYnHdzLwMhEhwMCdLTl9:d6hMeEydSMWxyhwMGl9
- TLSH T112A1942F1BE50113F6B2D903C8F7851AB9753982AA75DD4C02C0878D1D73606F6A3F9A
- MD5 SHA1 SHA512 SSDEEP TLSH