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Analysis
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max time kernel
150s -
max time network
114s -
platform
windows10-1703_x64 -
resource
win10-20220718-en -
resource tags
arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system -
submitted
05/08/2022, 17:38
Behavioral task
behavioral1
Sample
526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe
Resource
win10-20220718-en
General
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Target
526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe
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Size
136KB
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MD5
744e994a8241e0eb8bec4d4e78b4d8f1
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SHA1
a30167114f9fd84aabcd25199eb7680afce179f5
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SHA256
526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de
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SHA512
198108e5522c37ec6000d37504a9392701ff2d171f0310fe863efcb27df4a73e007709874be02974cb0d6abd8e77c4a7189052c9b4a4fd7c01c072d1a390a6fa
Malware Config
Signatures
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 2 IoCs
resource yara_rule behavioral1/memory/3996-159-0x0000000000750000-0x000000000076A000-memory.dmp family_stormkitty behavioral1/memory/3996-160-0x0000000000764F6E-mapping.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2848962218-3794400400-3934119819-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2848962218-3794400400-3934119819-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2848962218-3794400400-3934119819-1000\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 2 icanhazip.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2608 set thread context of 3996 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe 67 -
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 3996 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2608 wrote to memory of 3996 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe 67 PID 2608 wrote to memory of 3996 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe 67 PID 2608 wrote to memory of 3996 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe 67 PID 2608 wrote to memory of 3996 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe 67 PID 2608 wrote to memory of 3996 2608 526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe 67 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2848962218-3794400400-3934119819-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2848962218-3794400400-3934119819-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe"C:\Users\Admin\AppData\Local\Temp\526d615c3af7609c45e44f50d6dd2e83e02c60afcdf5d3aaea1557d7a5e964de.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608 -
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:3996
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