Analysis
- max time kernel
93s - max time network
100s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
07/04/2024, 23:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe
Resource
win7-20240221-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe
Resource
win10v2004-20240226-en
6 signatures
150 seconds
General
- Target 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe
- Size 71KB
- Sample240407-3y76faad3s
- SHA256 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81
- MD5 1f0d8cfb265fa617d65b66f132f636bb
- SHA1 b4fd23eb14319c1da60066d05a5144431f263c5e
- SHA512 899879107e863cf76935adec9bbe74aa14717de18086f0f4c19f368abbf794aa978bc434265a9256d32dafb4591d1b9e4f73243b2d063893c28030996d9a2538
- SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTP:ZRpAyazIliazTP
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3668 CTS.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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" 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.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 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe File created C:\Windows\CTS.exe CTS.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3232 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe Token: SeDebugPrivilege 3668 CTS.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3232 wrote to memory of 3668 3232 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe 85 PID 3232 wrote to memory of 3668 3232 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe 85 PID 3232 wrote to memory of 3668 3232 9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe"C:\Users\Admin\AppData\Local\Temp\9f6224a5f577616137867ca5915d1231833c98fd1b71f5cb7a43874796e59e81.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3232 -
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:3668
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
- Size 394KB
- SHA256 c04d023943592e490173411a5b1851d48d90d2ce949dc0cd47355933b30d5eb6
- MD5 d78ae5aabd0c53565291a46ddea346d7
- SHA1 4e3191512a5026b8fb7a99040c165b477dbf5dc7
- SHA512 03573034dcd02370174aeea95d6d119b5b1a1fa12c4452749341c54c3958ca8286679a021ef57567d39acf67dec32f631912296847f3d0f4cd21eb2533486156
- SSDEEP 6144:xZ8azOrURt5LhMlW53bC0ppyAPEfpzDyPqgWpa54qc/DJKsHL9xnbxf4mt:xC07tgsRtppytULbkVbRt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\iSUWOCoQqFExeCX.exe
- Size 71KB
- SHA256 1e41c343aa6a739f425ffa2f3b196d2eda531881de2c9f50498111b8fb2ccd62
- MD5 84975f1a080aeebefd10883afd6cd959
- SHA1 e343395cfc2bfe7b881c91931772e28fef22c381
- SHA512 b45b9c907339916b68b8761325644e0d3df0bd90ca1913e8bfe3875571d4b2af0fd5fed0f4af958560786cf470e31bf6c9dc84aaf38a5dbbbc1caeee477af47c
- SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT8:ZRpAyazIliazT8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\CTS.exe
- Size 71KB
- SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
- MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
- SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
- SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
- SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
- MD5 SHA1 SHA512 SSDEEP