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Analysis
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max time kernel
151s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220722-en -
resource tags
arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system -
submitted
04/08/2022, 10:07
Static task
static1
Behavioral task
behavioral1
Sample
93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe
Resource
win10v2004-20220722-en
General
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Target
93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe
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Size
152KB
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MD5
3218a6b674d56aff678ef803ac3b7b57
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SHA1
180c1091753861286f391d1b4cf5d4c80333e762
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SHA256
93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d
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SHA512
198e0c0a03761301248511bac393a2722b05bf32f6351b2baea9f363f67226c5981ed39cfb091daa77aed862b973bd11e35a0a4cde1e74dca8c865cde0141618
Malware Config
Signatures
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BluStealer
A Modular information stealer written in Visual Basic.
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/3416-141-0x0000000000A10000-0x0000000000A2A000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\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 26 icanhazip.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1748 set thread context of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 2796 set thread context of 3416 2796 cvtres.exe 88 -
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 3416 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2796 cvtres.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 1748 wrote to memory of 2796 1748 93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe 86 PID 2796 wrote to memory of 3416 2796 cvtres.exe 88 PID 2796 wrote to memory of 3416 2796 cvtres.exe 88 PID 2796 wrote to memory of 3416 2796 cvtres.exe 88 PID 2796 wrote to memory of 3416 2796 cvtres.exe 88 PID 2796 wrote to memory of 3416 2796 cvtres.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe"C:\Users\Admin\AppData\Local\Temp\93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe3⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3416
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