Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2023 11:26
Static task
static1
Behavioral task
behavioral1
Sample
SOLICITU.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
SOLICITU.exe
Resource
win10v2004-20230220-en
General
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Target
SOLICITU.exe
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Size
176KB
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MD5
6bbfbd022b3599e8e6d8876c4566073b
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SHA1
b56a563f0deba1891f32866bf9385f91b3589bc0
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SHA256
3f6604df64307223a9a72e68f28c14d3cbf5af90549667839622b8e3490fbe8b
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SHA512
55e842618c3a9989c22fcbeff61c149f2e16e524ab23f7a28903b852ddbbe40defa9ab7931c06865c0bfd287a8a38b41032dcc62bd3aa144b6d84838b71a9ef7
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SSDEEP
3072:6nI8rM4omSUr7Boj2PjY5Yo22cEuXTWcv2yMEmzQxcfxvXX4:6UunrHPym2STW0irn4
Malware Config
Extracted
blustealer
https://api.telegram.org/bot5627356603:AAG-Mx0TbSHRRW6IwndrpX3VLZdhd6C-Zac/sendMessage?chat_id=5472437377
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/2660-141-0x0000000000B30000-0x0000000000B4A000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 16 icanhazip.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4268 set thread context of 1064 4268 SOLICITU.exe 84 PID 1064 set thread context of 2660 1064 Aspnet_compiler.exe 85 -
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 2660 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1064 Aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 4268 wrote to memory of 1064 4268 SOLICITU.exe 84 PID 1064 wrote to memory of 2660 1064 Aspnet_compiler.exe 85 PID 1064 wrote to memory of 2660 1064 Aspnet_compiler.exe 85 PID 1064 wrote to memory of 2660 1064 Aspnet_compiler.exe 85 PID 1064 wrote to memory of 2660 1064 Aspnet_compiler.exe 85 PID 1064 wrote to memory of 2660 1064 Aspnet_compiler.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOLICITU.exe"C:\Users\Admin\AppData\Local\Temp\SOLICITU.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064 -
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:2660
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