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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 15:19
Static task
static1
Behavioral task
behavioral1
Sample
a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe
Resource
win10v2004-20220812-en
General
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Target
a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe
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Size
1.0MB
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MD5
748d9409797c180ab6d18166606e3af0
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SHA1
697dfea4df551477b70279eaff21ce2a91233179
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SHA256
a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b
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SHA512
e83993307686c7aeaae57e0cf5ab6d426e32dd35668b0d510b04e2a0863334b2a8e1279eb0a91f116ad86ce05de9f3ced814ac16ea9cc0a865a6cfb29c05ab1f
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SSDEEP
24576:jg/Q4FiXlVAm9aPUVRBggsR/RUvSyZTN9+c22px77S2jyBKPZJpp:IQ4FivAmMcGjRKSyhOc9q7obp
Malware Config
Signatures
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resource yara_rule behavioral1/memory/936-70-0x0000000000400000-0x0000000000645000-memory.dmp upx behavioral1/memory/936-71-0x0000000000400000-0x0000000000645000-memory.dmp upx -
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 Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe" a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1064 set thread context of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1064 wrote to memory of 1744 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 27 PID 1064 wrote to memory of 1744 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 27 PID 1064 wrote to memory of 1744 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 27 PID 1064 wrote to memory of 1744 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 27 PID 1064 wrote to memory of 976 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 29 PID 1064 wrote to memory of 976 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 29 PID 1064 wrote to memory of 976 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 29 PID 1064 wrote to memory of 976 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 29 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28 PID 1064 wrote to memory of 936 1064 a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe"C:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exeC:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe2⤵PID:1744
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C:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exeC:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe2⤵
- Adds Run key to start application
PID:936
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C:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exeC:\Users\Admin\AppData\Local\Temp\a73e85c7a95638ef04e5525d6209980fec92c58290386062badc8bf470f78a5b.exe2⤵PID:976
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