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Analysis
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max time kernel
15s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 05:56
Static task
static1
Behavioral task
behavioral1
Sample
c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
Resource
win10v2004-20240802-en
General
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Target
c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
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Size
103KB
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MD5
ccd03b78d966692f4d195cdb627539e0
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SHA1
0e0b2d354d3b5658b0c5cb890cd408e1bc2cfe44
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SHA256
c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458f
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SHA512
2e09affae5cdb9934f1a53c1751748e5a342c84eebd0d368249aa3405a1d181150522f166aebf1c5eaff1316fdf503a5ba38bf62272b392c880d88bbd6ff61fe
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SSDEEP
3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQOcqbCxLX:GjYKlAhUBVB3pQOpCLX
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2136 CTS.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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" c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.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 c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe File created C:\Windows\CTS.exe CTS.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1016 c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe Token: SeDebugPrivilege 2136 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1016 wrote to memory of 2136 1016 c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe 30 PID 1016 wrote to memory of 2136 1016 c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe 30 PID 1016 wrote to memory of 2136 1016 c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe 30 PID 1016 wrote to memory of 2136 1016 c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe"C:\Users\Admin\AppData\Local\Temp\c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
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:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
103KB
MD579d66ced438eda8a008153fc034a9a72
SHA1730f97ab239215d287b1ff5092a0ec016414add7
SHA25668a0c6d85bb5ed7f2b45d8086e29c2e02fefa1c994e0561975fe80d7c7dd5d5f
SHA5125a0deda39b061d90f8649c51c7ca32076791abd72979138f36b2e299f9fa23070e68d20241c1e644e3232434b4af1b4d807050ec93585d059b830cc7edd16cfb
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Filesize
86KB
MD50f736d30fbdaebed364c4cd9f084e500
SHA1d7e96b736463af4b3edacd5cc5525cb70c593334
SHA256431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34
SHA512570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566