Analysis
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max time kernel
112s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
06-03-2023 09:09
Behavioral task
behavioral1
Sample
4404-174-0x0000000000400000-0x0000000000422000-memory.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
4404-174-0x0000000000400000-0x0000000000422000-memory.exe
Resource
win10v2004-20230220-en
General
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Target
4404-174-0x0000000000400000-0x0000000000422000-memory.exe
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Size
136KB
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MD5
2dc19f3fa4ee28fec3ec33684d4e7063
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SHA1
fd98918f8a26b73424459aab9cc4f83401a0e325
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SHA256
644f959d3c5ef1bea63eadb769d87a773ad66f41a9b27ffa42ae7847ca43e149
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SHA512
7d61690877cc6535f38e5900631488cd879ccbdc7cc2fbe817fef076bb416590c898d196eeaceef952669faa146203b25853609607417767c34881b315886356
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SSDEEP
1536:7M/w/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioZkcOqJ40eZgYAv:7M0ZTkLfhjFSiO3o3kcqZZG
Malware Config
Signatures
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 3 IoCs
resource yara_rule behavioral1/memory/2024-58-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty behavioral1/memory/2024-60-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty behavioral1/memory/2024-62-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 icanhazip.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1144 set thread context of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier AppLaunch.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 AppLaunch.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2024 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 PID 1144 wrote to memory of 2024 1144 4404-174-0x0000000000400000-0x0000000000422000-memory.exe 26 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4404-174-0x0000000000400000-0x0000000000422000-memory.exe"C:\Users\Admin\AppData\Local\Temp\4404-174-0x0000000000400000-0x0000000000422000-memory.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2024
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