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Analysis
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max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
28/05/2024, 22:48
Behavioral task
behavioral1
Sample
751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe
Resource
win10v2004-20240426-en
General
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Target
751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe
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Size
27KB
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MD5
997cfd640be6243a2add974d9bf9e105
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SHA1
471275f0c3420076a77be13f17fb408f75409ce2
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SHA256
751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d
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SHA512
67099eebd89075b80cd3482c7a29d9b1726a90816da1bfea1ecd1c08915a2f3e9d8ddd142aac1bff73f9aed2a59a59c0bb0968f773578138bf7bafc561fe51d6
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SSDEEP
768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCML:N5VzcfA/6LrVpL74gfh16nL
Malware Config
Signatures
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UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/3028-0-0x0000000000E60000-0x0000000000E78000-memory.dmp UPX behavioral1/memory/3028-5-0x00000000000E0000-0x00000000000F8000-memory.dmp UPX behavioral1/files/0x0031000000015d9c-8.dat UPX behavioral1/memory/2948-13-0x0000000000910000-0x0000000000928000-memory.dmp UPX behavioral1/memory/3028-10-0x0000000000E60000-0x0000000000E78000-memory.dmp UPX behavioral1/files/0x000b00000001431b-15.dat UPX -
Executes dropped EXE 1 IoCs
pid Process 2948 CTS.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral1/memory/3028-0-0x0000000000E60000-0x0000000000E78000-memory.dmp upx behavioral1/memory/3028-5-0x00000000000E0000-0x00000000000F8000-memory.dmp upx behavioral1/files/0x0031000000015d9c-8.dat upx behavioral1/memory/2948-13-0x0000000000910000-0x0000000000928000-memory.dmp upx behavioral1/memory/3028-10-0x0000000000E60000-0x0000000000E78000-memory.dmp upx behavioral1/files/0x000b00000001431b-15.dat 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\CTS = "C:\\Windows\\CTS.exe" 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3028 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe Token: SeDebugPrivilege 2948 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3028 wrote to memory of 2948 3028 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe 28 PID 3028 wrote to memory of 2948 3028 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe 28 PID 3028 wrote to memory of 2948 3028 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe 28 PID 3028 wrote to memory of 2948 3028 751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe"C:\Users\Admin\AppData\Local\Temp\751003cbbfbae322a2d3d60ac00ddd89cb4ba3bb5ef1a60048d585125a55476d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2948
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
27KB
MD5588df9c67151d9b3914e44fe78787b25
SHA1d1ca7fc3e36a155e6105e281031da055181ca236
SHA2567cf6bae6bc936354554ac0da5393817dc4bbc0a2cc1db948f4feb760c3f03665
SHA5128ad1afe1ae87c886aace82e8105bb41752d333d4b4d159d0cb3485c18984eb5bf7b814c744c84b80e87675999021f68d91b53437fbba052ead3254de1a00988f
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Filesize
27KB
MD5a6749b968461644db5cc0ecceffb224a
SHA12795aa37b8586986a34437081351cdd791749a90
SHA256720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2
SHA5122a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4