Analysis
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max time kernel
64s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
18-10-2022 07:27
Static task
static1
Behavioral task
behavioral1
Sample
RFQ 10102022.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
RFQ 10102022.exe
Resource
win10v2004-20220812-en
General
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Target
RFQ 10102022.exe
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Size
1.2MB
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MD5
9b9068806d229820ef4977c37b9ece31
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SHA1
d482d3e05dadf33a8cfc41ed3d33b700c9c5afe3
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SHA256
13537e7d58eb6312b80c2abd796be6569ec2d99a41c20913629db6c1d5c12e0b
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SHA512
c94c874d9f7cae44be88e3b4ea2121cd8475d039f886b93b963c231d14b2012b52943b3f4aa229773ff8b747111ad0943f3846bfe05b47a2d551bc3cfc12490e
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SSDEEP
24576:h11jcQRG1e/zhH2b7Kc41/r8bAVx8+c8j7P36vg7dR:h1OQSgzhRc41/gqBc8j7eg7d
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1444 set thread context of 1688 1444 RFQ 10102022.exe 27 PID 1688 set thread context of 1148 1688 RFQ 10102022.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1688 RFQ 10102022.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1444 wrote to memory of 1688 1444 RFQ 10102022.exe 27 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 PID 1688 wrote to memory of 1148 1688 RFQ 10102022.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ 10102022.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 10102022.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Users\Admin\AppData\Local\Temp\RFQ 10102022.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 10102022.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688 -
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:1148
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