Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14-11-2022 09:20
Static task
static1
Behavioral task
behavioral1
Sample
Consulta adjunta.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Consulta adjunta.exe
Resource
win10v2004-20220812-en
General
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Target
Consulta adjunta.exe
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Size
43KB
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MD5
b1f86158fada0496bed842e21913c161
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SHA1
f56f230c577760aa6e8940f8582e72a9513850b5
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SHA256
5f062e4d8beaf7bc3b606afe8d058580b38ce33393b89a23db757ab4cf4f4576
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SHA512
8616e1de2b3fe6364da08b4860f70579f1140a1a9ac1c70d7f398917c7f7dba7b32da9fb64a191075f248f0451b3899c971629332e21ad816a8a96ed1b4ec287
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SSDEEP
768:R0VcgMMJvtAG33fztRcb+AuuyXZpI7UyP2WlMzGE6h:R0jv5nJRBA03I7Pur4h
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/4996-141-0x00000000001D0000-0x00000000001EA000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 14 icanhazip.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4216 set thread context of 3796 4216 Consulta adjunta.exe 79 PID 3796 set thread context of 4996 3796 aspnet_compiler.exe 80 -
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 2 IoCs
description pid Process Token: SeDebugPrivilege 4216 Consulta adjunta.exe Token: SeDebugPrivilege 4996 AppLaunch.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3796 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 4216 wrote to memory of 3796 4216 Consulta adjunta.exe 79 PID 3796 wrote to memory of 4996 3796 aspnet_compiler.exe 80 PID 3796 wrote to memory of 4996 3796 aspnet_compiler.exe 80 PID 3796 wrote to memory of 4996 3796 aspnet_compiler.exe 80 PID 3796 wrote to memory of 4996 3796 aspnet_compiler.exe 80 PID 3796 wrote to memory of 4996 3796 aspnet_compiler.exe 80 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Consulta adjunta.exe"C:\Users\Admin\AppData\Local\Temp\Consulta adjunta.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216 -
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:3796 -
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:4996
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