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Analysis
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max time kernel
140s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
21/05/2024, 04:31
Behavioral task
behavioral1
Sample
d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
Resource
win10v2004-20240426-en
General
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Target
d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
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Size
27KB
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MD5
8a2229063faf7e0e7771817b21a8d605
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SHA1
0423780da80d35013f66c0c08af9d03bae7c6e94
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SHA256
d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265
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SHA512
7db67aead1b32d759c75529984708d957b36c54d6c19107afbf39d1e18659f25c422931a08448cf431dcddfe5a6aff9f77ba6fd5dd15d65b1fcde3fe7f996e05
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SSDEEP
768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMy:N5VzcfA/6LrVpL74gfh16ny
Malware Config
Signatures
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UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral1/memory/1728-0-0x0000000000E90000-0x0000000000EA8000-memory.dmp UPX behavioral1/files/0x0030000000014eb9-7.dat UPX behavioral1/memory/1628-14-0x00000000002E0000-0x00000000002F8000-memory.dmp UPX behavioral1/memory/1728-12-0x0000000000E90000-0x0000000000EA8000-memory.dmp UPX behavioral1/files/0x000c00000001480e-16.dat UPX -
Executes dropped EXE 1 IoCs
pid Process 1628 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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resource yara_rule behavioral1/memory/1728-0-0x0000000000E90000-0x0000000000EA8000-memory.dmp upx behavioral1/files/0x0030000000014eb9-7.dat upx behavioral1/memory/1628-14-0x00000000002E0000-0x00000000002F8000-memory.dmp upx behavioral1/memory/1728-12-0x0000000000E90000-0x0000000000EA8000-memory.dmp upx behavioral1/files/0x000c00000001480e-16.dat 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" d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.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 d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1728 d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe Token: SeDebugPrivilege 1628 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1728 wrote to memory of 1628 1728 d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe 28 PID 1728 wrote to memory of 1628 1728 d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe 28 PID 1728 wrote to memory of 1628 1728 d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe 28 PID 1728 wrote to memory of 1628 1728 d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe"C:\Users\Admin\AppData\Local\Temp\d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728 -
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:1628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
27KB
MD561165aa8f440a0556036bb4c70cd0c59
SHA152d7cc66872f6dd6b219c28f0898e2d28bf75c01
SHA2568fc2ab376c2674c4ee6f64a796e952f257182836714f56732250e99935767ce1
SHA5121f88f01aeac0528bdbda7e2ab6d8d28bd3cad6dee33e26d06e0c8aa4c6d81ca0bf3b758de581684a58b2bbfb3c086f93d6f1877b9ad92059081b6aeadda2f1c8
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Filesize
27KB
MD5a6749b968461644db5cc0ecceffb224a
SHA12795aa37b8586986a34437081351cdd791749a90
SHA256720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2
SHA5122a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4