Analysis
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max time kernel
143s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 21:39
Static task
static1
Behavioral task
behavioral1
Sample
965e4762099774891dae2545246cc445_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
965e4762099774891dae2545246cc445_JC.exe
Resource
win10v2004-20230915-en
General
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Target
965e4762099774891dae2545246cc445_JC.exe
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Size
76KB
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MD5
965e4762099774891dae2545246cc445
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SHA1
b589a5c62a773acaf07285b6ed566d181bc2dbd4
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SHA256
07246af39caa4b793b01891460ddd554bac8cda2a2ecebd35e56e12459848afe
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SHA512
410ee4bd5a421fd5ae3191e5201907eead49580af8d50c61cd85a15f67c0b316ac832bc85507d3f96feebaf2cc3a34e8bde2edce85e5d68566a08fc3e1b2c7c1
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SSDEEP
1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTAtrq:ZhpAyazIlyazTAtrq
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3416 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" 965e4762099774891dae2545246cc445_JC.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 CTS.exe File created C:\Windows\CTS.exe 965e4762099774891dae2545246cc445_JC.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2876 965e4762099774891dae2545246cc445_JC.exe Token: SeDebugPrivilege 3416 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2876 wrote to memory of 3416 2876 965e4762099774891dae2545246cc445_JC.exe 83 PID 2876 wrote to memory of 3416 2876 965e4762099774891dae2545246cc445_JC.exe 83 PID 2876 wrote to memory of 3416 2876 965e4762099774891dae2545246cc445_JC.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\965e4762099774891dae2545246cc445_JC.exe"C:\Users\Admin\AppData\Local\Temp\965e4762099774891dae2545246cc445_JC.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
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:3416
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
393KB
MD53bba3cd716d1320b891cbab03b7ba559
SHA1f1f7484dce55254ff946780de4e4d23ebdc5bd60
SHA256dcd58867f38b38462374ff06ed677af01b3f0bbe33d693572bca2d3a94544cad
SHA5125cace071579344909798eb4ff4015e520324040a6d2f41b17ac5db5e4837a84a1a5a343e395d86b9d8cc5c5edc78de16a9e740ae32be9cc1a6007b89bbad53d0
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Filesize
76KB
MD5f5dec62e3311e138011a983fc59f1e39
SHA1ac7fa70f8cdb086bf5dc29587128fa1b659bf077
SHA256d8b4278a5eb2ede170cd62e3a2e4cd446bb2639500c134d258f705eb39bd4635
SHA512f49a24b2ad5d91d828891ab407ca54a1cd080a91ca93b1c57d40a4d5d1a52d21d4cfa805052f1ea899fc4cd4d7f09db20f5096bfe64433ee2c36fcbef2913d00
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25