Analysis
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max time kernel
80s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-08-2022 12:06
Behavioral task
behavioral1
Sample
880-67-0x0000000000400000-0x0000000000422000-memory.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
880-67-0x0000000000400000-0x0000000000422000-memory.exe
Resource
win10v2004-20220812-en
General
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Target
880-67-0x0000000000400000-0x0000000000422000-memory.exe
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Size
136KB
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MD5
24e22ce7892db9e990ad7af8b4301b72
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SHA1
1dd749887f991720449a6d32543c2ca10df6818b
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SHA256
68c21a10a73486a8ec05ca3b417c548e02f0745e3cb0385fae4839d67ed96bcd
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SHA512
8b9b6e1157d2817fe92454ca4387eec740792b8caf3dfa186ef27a9811cd6dc7a815c154da37e1a7d7784a37f4276aef1ea979866a0552a74eeb6dc93988c262
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SSDEEP
1536:nJA/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioSGZVmJ5mQNZ:nOZTkLfhjFSiO3oseG
Malware Config
Signatures
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 4 IoCs
resource yara_rule behavioral1/memory/1368-59-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty behavioral1/memory/1368-60-0x00000000000A4F6E-mapping.dmp family_stormkitty behavioral1/memory/1368-62-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty behavioral1/memory/1368-64-0x0000000000090000-0x00000000000AA000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 1412 set thread context of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 -
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 opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 AppLaunch.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier AppLaunch.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1368 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 PID 1412 wrote to memory of 1368 1412 880-67-0x0000000000400000-0x0000000000422000-memory.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\880-67-0x0000000000400000-0x0000000000422000-memory.exe"C:\Users\Admin\AppData\Local\Temp\880-67-0x0000000000400000-0x0000000000422000-memory.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1412 -
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:1368
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