Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 09:38
Behavioral task
behavioral1
Sample
ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
General
- Target ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c.exe
- Size 101KB
- Sample260930-ll38aatxcx
- SHA256 ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c
- MD5 47e20e57f9a4356cad260d271893eb61
- SHA1 81c7776aac7c4f2a70b5a3fecbb858a2aace3a19
- SHA512 f45f93633db49de4366d21590f11bc29cfab07536fb0fc00370f06bf07f6eea721d0dd6abea1980547ee7606658ec5b7cb4a16a3e9c6b88ef9f234b7969d84d6
- SSDEEP 1536:lm/Yd7d42fpHoDB7iXir7Aqyq7SrV6xl8kXjJcsOQu7/HTjoblY3asRLTfMYJBw0:oodh4B7iivyRrVs8gJcmuTHoblY39BQw
- TLSH T1C1A30283FBB79640C6A7B6766B455164D1763C82C13FEA0BAB905789349A7B031ACC34
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
pid Process 2328 Eupdate Helper.exe 2524 Eupdate Helper.exe 5008 Eupdate Helper.exe -
resource yara_rule behavioral2/memory/3300-0-0x0000000140000000-0x000000014004D000-memory.dmp upx behavioral2/memory/3300-8-0x0000000140000000-0x000000014004D000-memory.dmp upx behavioral2/files/0x000e00000001c4fa-6.dat upx behavioral2/memory/2328-43-0x0000000140000000-0x000000014004D000-memory.dmp upx behavioral2/memory/2524-57-0x0000000140000000-0x000000014004D000-memory.dmp upx behavioral2/memory/5008-59-0x0000000140000000-0x000000014004D000-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 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe 2524 Eupdate Helper.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3300 wrote to memory of 2328 3300 ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c.exe"C:\Users\Admin\AppData\Local\Temp\ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe"C:\Users\Admin\AppData\Local\Temp\ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c.exe"2⤵
- Executes dropped EXE
PID:2328
-
-
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:2524
-
C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe"C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --guard1⤵
- Executes dropped EXE
PID:5008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
- Size 101KB
- SHA256 ea6dc677ec36ba3523f357204622ed666c8a199438b3b147b1b2fdc9555d458c
- MD5 47e20e57f9a4356cad260d271893eb61
- SHA1 81c7776aac7c4f2a70b5a3fecbb858a2aace3a19
- SHA512 f45f93633db49de4366d21590f11bc29cfab07536fb0fc00370f06bf07f6eea721d0dd6abea1980547ee7606658ec5b7cb4a16a3e9c6b88ef9f234b7969d84d6
- SSDEEP 1536:lm/Yd7d42fpHoDB7iXir7Aqyq7SrV6xl8kXjJcsOQu7/HTjoblY3asRLTfMYJBw0:oodh4B7iivyRrVs8gJcmuTHoblY39BQw
- TLSH T1C1A30283FBB79640C6A7B6766B455164D1763C82C13FEA0BAB905789349A7B031ACC34
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\EupdateHelper.log
- Size 2KB
- SHA256 d53d4197312739736d447282ddfb752814a6cce8a90fc5446905ca71772b5753
- MD5 a4aeee2cc7f9cb85aa6bad7bc9f2d2c2
- SHA1 301a089fc743d902c32de989be40ec4d033ae327
- SHA512 550fbeca008de9813d0af785937cca9df8613552c30ecade26ccf464a6cc1590507a203a7ad1719a0a862004b6240c0ed11f54dc43c62cc5d59edb904e003fb1
- TLSH T13941902E5EF81169EBB6DA02D4F2540B7975B8937D32ED0D06C143C908A2B11B5E3F8E
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\TEMP\EupdateHelper.log
- Size 3KB
- SHA256 b8717d08f54297f34b558e9a84299cb6ef7553f1c7ce971a356aa8b0149fa185
- MD5 995ddcac4258361c437e668f114ebf3e
- SHA1 35a5b0d90364047bc0c5ac35fcdb385879321029
- SHA512 23a6929180237c29c5a77bf18ddb9e2c917cc92db1b432ac9d8efc0ec98497ecd89c5aa51c2e4a926a0f293af901b4e8fc5d897914fc0662bd43b1a0724b078a
- TLSH T17871602E1BF84651F676CA03D4F2A41BA67579936D76DD0C02C143CD0CB2A11B6E3F9A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\Temp\EupdateHelper.log
- Size 2KB
- SHA256 002263c2d989b23f0fb7d50b9f06108b7c9489e78e798c9c8dcc6fe433a64e61
- MD5 580f15c94b817475d4cd59012eb5fdcf
- SHA1 1333658ab9209652eab1b195779d21d85db749c5
- SHA512 4344ca78f13b192bf11287954c31e4f3c5522ab19cc9d693b0af5804efde0a9aa0d6a0247475f1649b071e20ef9c3ad82fb0ea8022f160eaeb894c1b2d020a54
- TLSH T15F51502E1BF84651F776CA02D4F2A41BA57579936D76DD0C02C043CD4CB2A11B6E3F9A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\Temp\EupdateHelper.log
- Size 4KB
- SHA256 c2302caa562e118f392557fb65419d1862a101a7426a38e61fdf963f15a911dc
- MD5 dc987a78c1e453f0a56fe4641f3b1bd6
- SHA1 fcd68033d900426f88c7d61598f1408e0519b14c
- SHA512 a8b8a35772d7d5247d22ae12fc01d27bbf36ff4617e79a2abef05feed3cc400dc7777c3779da05752f6ffad0bbd2b089a63aa71cfbf869337a0b79420193498a
- SSDEEP 96:raM4axa6rarjCQAM8eZ0wo/43or5d+hBNbLeJMPqPcswcucdMvwpv+CM:qSiPTIvmM9M
- TLSH T10AA1832E1BF84652F776DA03C4F2A41BA67579936D75CD0C02C143CD4CB2A12B6A3F9A
- MD5 SHA1 SHA512 SSDEEP TLSH