Analysis
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max time kernel
83s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 22:13
Static task
static1
Behavioral task
behavioral1
Sample
da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe
Resource
win10v2004-20220812-en
General
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Target
da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe
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Size
1.2MB
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MD5
f316c250f78bc5c1ac83ec3993c9edec
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SHA1
9807d7dd5f9446b6b9990d0bf3b57c669de8e172
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SHA256
da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb
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SHA512
0ceff2a91e474257f1ca40d223cdcce9181f417d16c79c52e252ff488761377a2ac451fc9d11dc084706b68a19c71565e867754fcf305ddf96b34eec05a9d6fd
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SSDEEP
24576:VnghTrx6br3u40UMffEOU4PPaUVVrXpqTiwAAgEEY4:Vghnx6br3u40jEOUcPRVPqTQp
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 1368 set thread context of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1292 set thread context of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.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 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1368 wrote to memory of 1292 1368 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 27 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 PID 1292 wrote to memory of 1696 1292 da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe"C:\Users\Admin\AppData\Local\Temp\da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\AppData\Local\Temp\da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe"C:\Users\Admin\AppData\Local\Temp\da7f7bddce0402e2c6e547009034a7745842bdeeedfc9fc36a2761270ea350cb.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1292 -
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:1696
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