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Analysis
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max time kernel
140s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
06/04/2024, 21:36
Behavioral task
behavioral1
Sample
60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe
Resource
win10v2004-20240226-en
General
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Target
60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe
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Size
246KB
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MD5
9f97b66838cf130014fbab6d82b09fb9
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SHA1
f38c7640517075b52020f687b1a98744f8eff8d5
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SHA256
60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120
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SHA512
e0a637881bf2b8be4addbe8c3813307bfc2ff8a2e363af13b9caf26373dde244b23b40795e71bafd229c3d05445155101b0b3fc18739a034431aded064bf07aa
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SSDEEP
6144:/MAoVN/4JGzLKoHtm+PATGO792D+IKd7jw3HVkAkswuJc8:0Ai4AzLKoNRPvE9+M4Hj/JN
Malware Config
Signatures
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UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral1/memory/2964-1-0x0000000000DF0000-0x0000000000E08000-memory.dmp UPX behavioral1/files/0x000a000000015f7a-14.dat UPX behavioral1/memory/2148-16-0x0000000000920000-0x0000000000938000-memory.dmp UPX behavioral1/memory/2964-9-0x0000000000DF0000-0x0000000000E08000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
pid Process 2552 Cq5amUM5fJICkDd.exe 2148 CTS.exe 1360 Process not Found -
Loads dropped DLL 2 IoCs
pid Process 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 1360 Process not Found -
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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resource yara_rule behavioral1/memory/2964-1-0x0000000000DF0000-0x0000000000E08000-memory.dmp upx behavioral1/files/0x000a000000015f7a-14.dat upx behavioral1/memory/2148-16-0x0000000000920000-0x0000000000938000-memory.dmp upx behavioral1/memory/2964-9-0x0000000000DF0000-0x0000000000E08000-memory.dmp upx -
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" 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.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 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe Token: SeDebugPrivilege 2148 CTS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2964 wrote to memory of 2552 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 28 PID 2964 wrote to memory of 2552 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 28 PID 2964 wrote to memory of 2552 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 28 PID 2964 wrote to memory of 2552 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 28 PID 2964 wrote to memory of 2148 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 29 PID 2964 wrote to memory of 2148 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 29 PID 2964 wrote to memory of 2148 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 29 PID 2964 wrote to memory of 2148 2964 60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe"C:\Users\Admin\AppData\Local\Temp\60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\Cq5amUM5fJICkDd.exeC:\Users\Admin\AppData\Local\Temp\Cq5amUM5fJICkDd.exe2⤵
- Executes dropped EXE
PID:2552
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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:2148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
27KB
MD5a6749b968461644db5cc0ecceffb224a
SHA12795aa37b8586986a34437081351cdd791749a90
SHA256720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2
SHA5122a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4
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Filesize
219KB
MD5e2312f199976d03a7cf41e453c5af246
SHA1c723bf05f7132c9b66c4f91d6cc363d08b4ed622
SHA25684fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51
SHA512a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686