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Analysis
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max time kernel
145s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
01/01/2024, 10:04
Behavioral task
behavioral1
Sample
41b9b44d2148e05ad8bed16cb14d1522.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
41b9b44d2148e05ad8bed16cb14d1522.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
41b9b44d2148e05ad8bed16cb14d1522.exe
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Size
199KB
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MD5
41b9b44d2148e05ad8bed16cb14d1522
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SHA1
f06026bd702fb2aad1ea4e2541c89d264a12ff15
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SHA256
cff5e727c9d26cd29b68e1c6c15679e9768a6b3436c6e316c70adcd710ae1e0b
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SHA512
07df25d313fce037ab2561215ed523cb1630a10d090b88f6688e3d16f1e28d92369babfdda75a11f037c2ca51b61f1f0044e9e995d225f4f8d7e91c38fc374ef
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SSDEEP
6144:nbbzaZzW7z4ipOIf1rB0+oHK+wgLE6y/zQ:bb8z0TVlBPD1BzQ
Score
8/10
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 41b9b44d2148e05ad8bed16cb14d1522.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\iexplorer = "C:\\Windows\\system32\\iexplorer\\iexplorer.exe" 41b9b44d2148e05ad8bed16cb14d1522.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 41b9b44d2148e05ad8bed16cb14d1522.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\iexplorer = "C:\\Windows\\system32\\iexplorer\\iexplorer.exe" 41b9b44d2148e05ad8bed16cb14d1522.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8N5EDQCD-PO1K-5SWL-D8BL-050CX572CY5I} 41b9b44d2148e05ad8bed16cb14d1522.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8N5EDQCD-PO1K-5SWL-D8BL-050CX572CY5I}\StubPath = "C:\\Windows\\system32\\iexplorer\\iexplorer.exe Restart" 41b9b44d2148e05ad8bed16cb14d1522.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8N5EDQCD-PO1K-5SWL-D8BL-050CX572CY5I} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8N5EDQCD-PO1K-5SWL-D8BL-050CX572CY5I}\StubPath = "C:\\Windows\\system32\\iexplorer\\iexplorer.exe" explorer.exe -
resource yara_rule behavioral1/memory/2028-408-0x0000000024060000-0x00000000240A1000-memory.dmp upx behavioral1/memory/2684-639-0x00000000240B0000-0x00000000240F1000-memory.dmp upx behavioral1/memory/2028-664-0x0000000024060000-0x00000000240A1000-memory.dmp upx behavioral1/memory/2684-673-0x00000000240B0000-0x00000000240F1000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\iexplorer = "C:\\Windows\\system32\\iexplorer\\iexplorer.exe" 41b9b44d2148e05ad8bed16cb14d1522.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\iexplorer = "C:\\Windows\\system32\\iexplorer\\iexplorer.exe" 41b9b44d2148e05ad8bed16cb14d1522.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\iexplorer\iexplorer.exe 41b9b44d2148e05ad8bed16cb14d1522.exe File opened for modification C:\Windows\SysWOW64\iexplorer\iexplorer.exe 41b9b44d2148e05ad8bed16cb14d1522.exe File opened for modification C:\Windows\SysWOW64\iexplorer\iexplorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\iexplorer\ explorer.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2684 explorer.exe Token: SeDebugPrivilege 2684 explorer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2940 41b9b44d2148e05ad8bed16cb14d1522.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7 PID 2940 wrote to memory of 1192 2940 41b9b44d2148e05ad8bed16cb14d1522.exe 7
Processes
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C:\Users\Admin\AppData\Local\Temp\41b9b44d2148e05ad8bed16cb14d1522.exe"C:\Users\Admin\AppData\Local\Temp\41b9b44d2148e05ad8bed16cb14d1522.exe"1⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe2⤵
- Modifies Installed Components in the registry
PID:2028
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C:\Windows\SysWOW64\explorer.exeexplorer.exe2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1192