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Analysis
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max time kernel
119s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
07/03/2024, 22:09
Static task
static1
Behavioral task
behavioral1
Sample
8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe
Resource
win10v2004-20240226-en
General
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Target
8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe
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Size
71KB
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MD5
15edbc801c9ea1019a3e56d52ae6a3b6
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SHA1
12ac5056a8e1c7beb4c8cd467652db896f04e136
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SHA256
8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59
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SHA512
f7d7fc889d9f86309758fe268c467f9b20e402f704030d230a9dc6d101d4045f361c207c87f3bbc2e141cfe25b11d11c248ea08cbb8cd61635bb18a92ecdddec
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SSDEEP
1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTE:ZhpAyazIlyazTE
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2184 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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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" 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.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 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1540 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe Token: SeDebugPrivilege 2184 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1540 wrote to memory of 2184 1540 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe 28 PID 1540 wrote to memory of 2184 1540 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe 28 PID 1540 wrote to memory of 2184 1540 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe 28 PID 1540 wrote to memory of 2184 1540 8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe"C:\Users\Admin\AppData\Local\Temp\8d0847db5692db038ab74292beeb674eef08640f57f0ed9da538bbc4846ecf59.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540 -
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:2184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD57fee35a9135aae7e3d70db0584f112f2
SHA12b8db83379e7d8aeedd0fa334e7fdcbcf3a32ea4
SHA2569321050705f61b2dc0132af13acf0607ae7d64b38f14796b0f632fd8df74fb1c
SHA512a69cd291385d825c27b2e49ba0f5271562dbccf051a747896539920458df79d6c9fc8a9770b117153e628943fb2d627a888b9a2cfb673b9a7040f8b4b26e2138
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25