Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 836 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 2192 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe Token: SeDebugPrivilege 836 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exedescription pid process target process PID 2192 wrote to memory of 836 2192 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe CTS.exe PID 2192 wrote to memory of 836 2192 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe CTS.exe PID 2192 wrote to memory of 836 2192 a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe CTS.exe PID 2192 wrote to memory of 836 2192 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:2192 -
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:836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD5e429a6f7ad9d4b17de6a3a4d99aaefa7
SHA110ae555eda14d5ad6bbbdb00040c77174de2b1de
SHA2561c30c0af0c220de4efacc77faad32a161e65a329df6d898de84029be165fa7bf
SHA5124c322ddf1907716d933b2547077d4e3ddebad1498044c7bd0b3140bcb34fb02c3a005ec069ead0059302379904e5a0d965084bce12c42c24460981f79172657c
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Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25