Analysis
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max time kernel
151s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
04-08-2022 09:52
Static task
static1
Behavioral task
behavioral1
Sample
1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe
Resource
win10v2004-20220721-en
General
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Target
1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe
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Size
201KB
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MD5
366ef4563060fcaca0bd77637f4521f1
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SHA1
5f3d5371fe0f421275258bfc1682f6966e54bfc4
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SHA256
1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d
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SHA512
41b34689ecf26cc19ebbc787964b038804d95e106f55531fa7239032942a2b55083ed7b0c50ef9be9ec9d8cca40affeb2484ff79a2dd6f22f7383c81079f2bad
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/4648-139-0x0000000000940000-0x000000000095A000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\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 52 icanhazip.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3156 set thread context of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 116 set thread context of 4648 116 cvtres.exe 92 -
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 4648 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 116 cvtres.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 3156 wrote to memory of 116 3156 1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe 90 PID 116 wrote to memory of 4648 116 cvtres.exe 92 PID 116 wrote to memory of 4648 116 cvtres.exe 92 PID 116 wrote to memory of 4648 116 cvtres.exe 92 PID 116 wrote to memory of 4648 116 cvtres.exe 92 PID 116 wrote to memory of 4648 116 cvtres.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe"C:\Users\Admin\AppData\Local\Temp\1f2c72f6dc8280281f42c3acdd98c603f35a4ae6030de80ce1641b27ab9ee96d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3156 -
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:116 -
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:4648
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