Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 21:20
Static task
static1
Behavioral task
behavioral1
Sample
397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe
Resource
win10v2004-20241007-en
General
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Target
397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe
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Size
110KB
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MD5
d286c6a3caf009d2d5219cda2cc9ea78
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SHA1
f18e9e5e9e736bc31f651ef5f06a4debba892160
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SHA256
397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f
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SHA512
ad09e87ecc4d1374ce47ac1e1f4f96835a4155414f996d6cda983129df047337361720872b4082964b0a59f4f89d2513beec61a7369e510c4f285b65d278aa88
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SSDEEP
3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQO6zTvPZid:GjYKlAhUBVB3pQOqg
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2032 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" 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.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 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe File created C:\Windows\CTS.exe CTS.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4068 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe Token: SeDebugPrivilege 2032 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4068 wrote to memory of 2032 4068 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe 85 PID 4068 wrote to memory of 2032 4068 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe 85 PID 4068 wrote to memory of 2032 4068 397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe"C:\Users\Admin\AppData\Local\Temp\397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.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:4068 -
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
408KB
MD5fb8c2d7abf85104c12e482800a6b827d
SHA15679e6b0175b215ca7fe80b6577c8ccf5fdf8739
SHA256324fd5ab8d0bbca313a0f5860475817bc4f9c9bb38647fd535ff42b6c8447164
SHA512b933726c30643484b89565c270ca42a89f2f19a00378f129f0b02f52ae09cdcbca5c93b8e7b326f6dc327cfeb1981e39d21f5b41a4d96ac4e30d5d7392508b01
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Filesize
110KB
MD519dfc86da778946ab35648f69416a74e
SHA1ccf078409160dcb384d45c0a3acbe9e90b02b2a4
SHA256a515c73a74e140954176124f4746e00f321f8eeb106b577ff443a911acc60aa7
SHA5122f32f15bbaaeb4a1a01c2ba26dd7dbd6a912bbb398fe50c8f0a4f7665678e94ac0e3be61838d1d89ef8712fcc30e3e778683282ccfc5a8fccae151c5b3cfdc71
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Filesize
86KB
MD50f736d30fbdaebed364c4cd9f084e500
SHA1d7e96b736463af4b3edacd5cc5525cb70c593334
SHA256431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34
SHA512570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566