Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 02:14
Static task
static1
Behavioral task
behavioral1
Sample
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe
Resource
win10v2004-20240508-en
General
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Target
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe
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Size
71KB
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MD5
3db7fdd2465e950e96fb8c8db4011d2f
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SHA1
9b974d60f705ee3d96082feec0ca89bf1b38a87d
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SHA256
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56
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SHA512
bfb4338415adcb755e23dc893fc86e8a36ab1d87b9fc6a36647083a8e47f5173e53865c3c6348fd5c9f87040e2f2b427e0588e1b4f6689d28d626968d395ace6
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SSDEEP
1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT3i:ZhpAyazIlyazTS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
CTS.exepid process 4756 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
Processes:
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exeCTS.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.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
Processes:
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exeCTS.exedescription ioc process File created C:\Windows\CTS.exe a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exeCTS.exedescription pid process Token: SeDebugPrivilege 3160 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe Token: SeDebugPrivilege 4756 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exedescription pid process target process PID 3160 wrote to memory of 4756 3160 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe CTS.exe PID 3160 wrote to memory of 4756 3160 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe CTS.exe PID 3160 wrote to memory of 4756 3160 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe CTS.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe"C:\Users\Admin\AppData\Local\Temp\a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160 -
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:4756
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
394KB
MD5769327ecd647deb4aefcddcd33b51184
SHA12bfd4690381efb09547b296a577fcf3789f9a6c1
SHA2564e70cff34a6487f40333996f133d89eca176304dc122c699bcd95048e1c8ae9f
SHA512153b341481ab93be7a1b1773f2ba185cdef0ce4437632b0575989b9a924891ec17ef6ca540fc0867d282fc4aa3335590ff9bc90562f374c917bc92f8a3ba4348
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Filesize
71KB
MD5797286bf85066b23f2da9bbbab49369d
SHA10aa0a84e35ddf12a785e5f78afe2d782a7746e4e
SHA2564ba4e148b5e9b2f6a476002f1887779930cf863201ab88e73a004382506892c0
SHA512dc12e657c9ab4de29995cb305176ea0cc0f9cc947ce19ba1334f2b2ca9bd2eac821ae1ae894ff2338901abb36b87455991b7f613f894dd123fd1dac5f583f2cf
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25