Analysis
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max time kernel
65s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
14-11-2022 16:14
Static task
static1
Behavioral task
behavioral1
Sample
6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe
Resource
win10v2004-20220812-en
General
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Target
6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe
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Size
852KB
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MD5
573b0103956eb1c9f12e2a2adcc77846
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SHA1
50e9fd321b9b1f39b6430b01941562ba924e40c0
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SHA256
6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56
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SHA512
ab26ac29ae7135cd6dcc5e95e6f9af290fadad9ab9afc87af60f38615a210a1a1d908d34e8796fe18108847b02cb51c1f6eb8f886237d1b0c8838edb5f4f9ef4
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SSDEEP
24576:OVwhMBsRpeiKuSbWY7XM970ZNmapxyJoyLJnM:OVw+XUSqH970Zwa1S
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 1380 set thread context of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 804 set thread context of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.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 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 1380 wrote to memory of 804 1380 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 27 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe 28 PID 804 wrote to memory of 1492 804 6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.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\6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe"C:\Users\Admin\AppData\Local\Temp\6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Users\Admin\AppData\Local\Temp\6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe"C:\Users\Admin\AppData\Local\Temp\6c912191a6853ca9717c37053a4ab7014d6980e48d846a8c777e7ee056cf4a56.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:804 -
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:1492
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