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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
08/09/2024, 18:53
Static task
static1
Behavioral task
behavioral1
Sample
11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe
Resource
win10v2004-20240802-en
General
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Target
11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe
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Size
110KB
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MD5
e7e282dfdc0b93708357ad673c3c74b4
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SHA1
b4ae44b5cfcb7e6d6540d240f4f98b5015bd48a6
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SHA256
11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905
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SHA512
2f230fe0aac63eb21f63653a8c2374200edd76115d6de513b8865f993f3758fdf8f997e068bdf796d606bb71cef704071bae91d8595ca6abb0d2a5ba68847a78
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SSDEEP
3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQObfjbV5HfD:GjYKlAhUBVB3pQObfj/7
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2672 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" 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.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 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.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 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2240 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe Token: SeDebugPrivilege 2672 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2672 2240 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe 30 PID 2240 wrote to memory of 2672 2240 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe 30 PID 2240 wrote to memory of 2672 2240 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe 30 PID 2240 wrote to memory of 2672 2240 11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.exe"C:\Users\Admin\AppData\Local\Temp\11701ef7dfc1defed3932a22fc3fc80cd78057fd944c54126ab29f1867ae4905.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:2240 -
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:2672
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
110KB
MD5ea4e3e83249d6ae289ad36202fb37cf4
SHA1629eb30e81c198610fcdef17085ca17c3b05d467
SHA2569429f6f016aa1c21c805a94f2ea9033cede66f90fe6cadf82fd8606abb1d5105
SHA512304a793a907d14624b962fdce321ef7eff50c24dac07c59abd9743f0776e8ed05e8fe8b646a5a8cbfb1ca60a1314482d9ca8d0f6d1504c05764042d58d191466
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Filesize
86KB
MD50f736d30fbdaebed364c4cd9f084e500
SHA1d7e96b736463af4b3edacd5cc5525cb70c593334
SHA256431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34
SHA512570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566