Analysis
- user interaction
yes - max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/07/2026, 02:28
Static task
static1
Behavioral task
behavioral1
Sample
Hudra.rar
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
Hudra.rar
Resource
win11ltsc2024-20260709-en
3 signatures
150 seconds
General
- Target Hudra.rar
- Size 105.3MB
- Sample260724-cx9d1afl21
- SHA256 e903c1115dc251201ae4a6ed3b362b2b665a153af1420dd949c90a92e9fd0ca7
- MD5 37bcc57a7815eed8fedf00012cc7a252
- SHA1 8fbaae5abc02ca766fbbe979750755141f242e99
- SHA512 c909f80cf0b8cf2591a4a3e997fecf5a8b8ad9b27a728d40c4e552a122c8dc44c2f7c6c12eef2a2cbd6058c8281f18cd198e8491ebbbdfcfda85ed962748f675
- SSDEEP 3145728:aqjOB92UIGwyoCVOpXXFx7yhU2qKNpfxCqqpG+q2/rBx:S92ZGwyDM1FxgU2vfxjqpGkBx
- TLSH T1F73833C979D4F269031903CD12D7B7BF1A1E4695CBC27DE08909A2CEA9EE03860F575B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4732 SoftWare.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\Local Settings 7zFM.exe Key created \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\Local Settings OpenWith.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2352 7zFM.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 4 Process not Found 4 Process not Found 4 Process not Found 4 Process not Found 4 Process not Found 668 Process not Found - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeRestorePrivilege 2352 7zFM.exe Token: 35 2352 7zFM.exe Token: SeSecurityPrivilege 2352 7zFM.exe Token: SeSecurityPrivilege 2352 7zFM.exe Token: SeSecurityPrivilege 2352 7zFM.exe Token: SeSecurityPrivilege 2352 7zFM.exe - Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe 2352 7zFM.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2924 OpenWith.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2352 wrote to memory of 4732 2352 7zFM.exe 89 PID 2352 wrote to memory of 1984 2352 7zFM.exe 95
Processes
-
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Hudra.rar"1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\7zO03984E79\SoftWare.exe"C:\Users\Admin\AppData\Local\Temp\7zO03984E79\SoftWare.exe"2⤵
- Executes dropped EXE
PID:4732
-
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCER C:\Users\Admin\AppData\Local\Temp\7zO039B8F89\.CRT2⤵PID:1984
-
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2924
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7zO03984E79\SoftWare.exe
- Size 683KB
- SHA256 715b4174065916a6412f60b3c10664b323dc737fd717ab09627083be34626fe0
- MD5 6669e10c960f6c2297bcd3d5a27412aa
- SHA1 73bee544b24312d0057d9ce5e62daa9f73243d00
- SHA512 feb1e93aed3f1a0ade6e6ab169af46ddd438aa80f6667fb24421d2f0b7da1c4a4902438421079a75eecfc9a3347c3ebe7f62b88ea9e67a9c951954d8555ea497
- SSDEEP 12288:tiGbyLR32C4NHhZoLCZcvDaLgf5pB6Nwi5//E7soazN0uahRg:MGboR3P4NHboLCevWLGL6//E7sTN0hhC
- TLSH T1ECE48E2AB3E401F9D1B7D276C9535A26FB71780A1731CBCF03A046562F276A49E3E712
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\7zO039B8F89\.CRT
- Size 88B
- SHA256 4da0337b4ed795ae2ac7704a101de94fa27b62d9c91c9ec19545fd60ba7782e3
- MD5 80784c5e875080a84a385f651334b015
- SHA1 1a11ab359c9ab5917c0bb144ec5e28efa4ef2311
- SHA512 3061685554273173839435c27eb5261f9ce092b34e84c809bde5001edb46e801cedecdd64a3e41eddba24abfbdb1b81ab708304ffe577254d96475c1cf6504e1
- MD5 SHA1 SHA512