Analysis
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max time kernel
120s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
13/10/2023, 17:03
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe
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Size
174KB
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MD5
09caa1b0db3d99a58bd2ee2d402ae020
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SHA1
a1f8fdfc7c87cb8b7f1e9fc15bcd7b5210593a9e
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SHA256
e2e51d522e01975b53b9ae5c653266104cd7b316f7cb9426a60417f1f8a32edf
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SHA512
9ba56ccd2b126c469d2695459643abee81912de3e4417ac88f3a60de1732f378496c65b9abf39c218e4c32d7d11bb09e457d4307bedb9694d54fa070b6dbdd27
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SSDEEP
3072:ZxpAyazIlyazTYBFiOhdWnXL430j3oVZnf8MgFuQlsQfA8PEJ:RZMazEDdWn8kj3oDUMgFuQlvGJ
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2596 gumL68AhcnBD518.exe 2732 CTS.exe -
Loads dropped DLL 2 IoCs
pid Process 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 836 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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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" NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.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 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe Token: SeDebugPrivilege 2732 CTS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2692 wrote to memory of 2596 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 28 PID 2692 wrote to memory of 2596 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 28 PID 2692 wrote to memory of 2596 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 28 PID 2692 wrote to memory of 2596 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 28 PID 2692 wrote to memory of 2732 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 30 PID 2692 wrote to memory of 2732 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 30 PID 2692 wrote to memory of 2732 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 30 PID 2692 wrote to memory of 2732 2692 NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.09caa1b0db3d99a58bd2ee2d402ae020_JC.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:2692 -
C:\Users\Admin\AppData\Local\Temp\gumL68AhcnBD518.exeC:\Users\Admin\AppData\Local\Temp\gumL68AhcnBD518.exe2⤵
- Executes dropped EXE
PID:2596
-
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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:2732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
103KB
MD55a901b21550595c3d6c9820534e0d023
SHA139a5a2464ad897d4dc135b85440d86f82ee30155
SHA2567adc240140487929587aac46639aae378c76dc41d9ed32b8b63e3cc8ee862536
SHA51205b148152bce7b10511cf9f5deea9c9008b419ea8f82ccc6f8ce368b1737a9d374e244eb2205958032458b445c73e5203742aa38881cb8bdeed8c227b66e8d86
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Filesize
103KB
MD55a901b21550595c3d6c9820534e0d023
SHA139a5a2464ad897d4dc135b85440d86f82ee30155
SHA2567adc240140487929587aac46639aae378c76dc41d9ed32b8b63e3cc8ee862536
SHA51205b148152bce7b10511cf9f5deea9c9008b419ea8f82ccc6f8ce368b1737a9d374e244eb2205958032458b445c73e5203742aa38881cb8bdeed8c227b66e8d86
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Filesize
71KB
MD5f53a5c9ca2e3837485afaba90a4cd7e2
SHA15b02231c979d9af0990294094113aca1de3fb8b4
SHA256479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba
SHA5124c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78
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Filesize
71KB
MD5f53a5c9ca2e3837485afaba90a4cd7e2
SHA15b02231c979d9af0990294094113aca1de3fb8b4
SHA256479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba
SHA5124c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78
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Filesize
71KB
MD5f53a5c9ca2e3837485afaba90a4cd7e2
SHA15b02231c979d9af0990294094113aca1de3fb8b4
SHA256479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba
SHA5124c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78
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Filesize
103KB
MD55a901b21550595c3d6c9820534e0d023
SHA139a5a2464ad897d4dc135b85440d86f82ee30155
SHA2567adc240140487929587aac46639aae378c76dc41d9ed32b8b63e3cc8ee862536
SHA51205b148152bce7b10511cf9f5deea9c9008b419ea8f82ccc6f8ce368b1737a9d374e244eb2205958032458b445c73e5203742aa38881cb8bdeed8c227b66e8d86
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Filesize
103KB
MD55a901b21550595c3d6c9820534e0d023
SHA139a5a2464ad897d4dc135b85440d86f82ee30155
SHA2567adc240140487929587aac46639aae378c76dc41d9ed32b8b63e3cc8ee862536
SHA51205b148152bce7b10511cf9f5deea9c9008b419ea8f82ccc6f8ce368b1737a9d374e244eb2205958032458b445c73e5203742aa38881cb8bdeed8c227b66e8d86