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Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25/10/2024, 21:28
Static task
static1
Behavioral task
behavioral1
Sample
4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe
Resource
win10v2004-20241007-en
General
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Target
4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe
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Size
99KB
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MD5
adec1dee6304a5f5320fc296aa4790da
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SHA1
2c5c00ce1759d15190a1be21da0f319212657bb7
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SHA256
4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f
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SHA512
45faff55f35bc10ed253a40164c38b1f86f0540f0a64cc84382669a54fce4834465be4a3f5d09b015ccd2c5f028ab4e78de61d8c8fa41a6c5da1b2fe7ed04550
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SSDEEP
3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQORDu+:GjYKlAhUBVB3pQOB7
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2784 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" 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.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 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.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 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3088 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe Token: SeDebugPrivilege 2784 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3088 wrote to memory of 2784 3088 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe 84 PID 3088 wrote to memory of 2784 3088 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe 84 PID 3088 wrote to memory of 2784 3088 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe"C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.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:3088 -
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:2784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
410KB
MD52815405a95070b2a792572d3470b8ff5
SHA189b125232a6e516edf80c770148f704907d20e81
SHA2560219e2ed0a83c326fa65190d1d1a9a08c453555fd9ffdb89d4ed92e1ad0eaa76
SHA51253f668f2774dff225a13c53ff651691696ae871df4155516f5e0abde6c1bc1a5427934ecc365cce8f0093f0bc5d507a7cec9e28daa77e0229eace1a2e1e817ef
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Filesize
99KB
MD576595cee66699aaf3ba16728c85cd4db
SHA12c29f52271367c16b3b8c0abe5bca5c9267d953c
SHA256f9667fe188ded8fdaa8ad943c09db58ec28962672df1129fc2b66d972299e89d
SHA5126d22f0ffa55bd1d4b524d719d73fae3bfd653fdb1b37388d6e3d8ce2e22d4f65c07072bde0806d4c0001b7f2f516b25a01d66735de06ae2e6b747609271fbd3a
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Filesize
86KB
MD50f736d30fbdaebed364c4cd9f084e500
SHA1d7e96b736463af4b3edacd5cc5525cb70c593334
SHA256431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34
SHA512570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566