Analysis
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max time kernel
64s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15-05-2023 10:36
Static task
static1
Behavioral task
behavioral1
Sample
3.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
3.exe
Resource
win10v2004-20230220-en
General
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Target
3.exe
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Size
855KB
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MD5
2616d8fe5d13f7a2c5f35428c4e76f0f
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SHA1
58ebeeb5b7dd11a8fd372e647c766eb294e2c802
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SHA256
36dcb265b7a10f3e1ccf2f51e28b7c086675ac2729e19075cf34cb59ba17105f
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SHA512
f5a88e15ec32392095c620b5e765ccb3ff9bac896146f6b226e3a012ab8d7c08e263fa4d3c3b55d1d8f4532cef849af1a9f32b3d492245c787e99cf53c953a4c
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SSDEEP
12288:j8ysS5ZKeMMOZ/g2cUOjoYIh5V0wmf2MhDHVb0V5fPTMXtg0mpEpo+g9cK8CD:5jKpejo1b0phDHVePj0mpEpo+4cOD
Malware Config
Extracted
blustealer
https://api.telegram.org/bot5450700540:AAEJyEEV8BKgYUKmnCPZxp19kD9GVSRup5M/sendMessage?chat_id=5422342474
Signatures
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BluStealer
A Modular information stealer written in Visual Basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1536 set thread context of 1908 1536 3.exe 27 PID 1908 set thread context of 1852 1908 3.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1908 3.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1536 wrote to memory of 1908 1536 3.exe 27 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 PID 1908 wrote to memory of 1852 1908 3.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3.exe"C:\Users\Admin\AppData\Local\Temp\3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Users\Admin\AppData\Local\Temp\3.exe"C:\Users\Admin\AppData\Local\Temp\3.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe3⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:1852
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