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Analysis
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max time kernel
93s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
29/03/2023, 01:50
Static task
static1
Behavioral task
behavioral1
Sample
5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe
Resource
win10v2004-20230220-en
General
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Target
5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe
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Size
1.1MB
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MD5
ec7c37ae9c0377f3240a274290c9c214
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SHA1
432915cb9e9e860a84e142719bf0e82392c69a6a
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SHA256
5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f
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SHA512
326f282eb2a8c6f79de6f7019fc7d16be88345467301bc1d28c36f5c7094ac38ec206dc068d24c8bcecd0cb02e39af1d5070f839f9518f0e8e149ac5c5c0c576
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SSDEEP
24576:KZUu39V1vMSb4gz1o5Ti81zSdyrjLDjFPR6KrXmTDa:yltsSkW1o5Tiouy/z6KrXmX
Malware Config
Extracted
blustealer
https://api.telegram.org/bot5916787654:AAEJEadEk6VSBHL82vTGRS9aaNuh-zG53Rg/sendMessage?chat_id=5483672364
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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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 1972 set thread context of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 316 set thread context of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1664 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 568 powershell.exe 1488 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 1488 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1972 wrote to memory of 1488 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 28 PID 1972 wrote to memory of 1488 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 28 PID 1972 wrote to memory of 1488 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 28 PID 1972 wrote to memory of 1488 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 28 PID 1972 wrote to memory of 568 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 30 PID 1972 wrote to memory of 568 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 30 PID 1972 wrote to memory of 568 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 30 PID 1972 wrote to memory of 568 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 30 PID 1972 wrote to memory of 1664 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 32 PID 1972 wrote to memory of 1664 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 32 PID 1972 wrote to memory of 1664 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 32 PID 1972 wrote to memory of 1664 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 32 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 1972 wrote to memory of 316 1972 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 34 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 PID 316 wrote to memory of 812 316 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe"C:\Users\Admin\AppData\Local\Temp\5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrErGuxRXcieO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrErGuxRXcieO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B65.tmp"2⤵
- Creates scheduled task(s)
PID:1664
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C:\Users\Admin\AppData\Local\Temp\5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe"C:\Users\Admin\AppData\Local\Temp\5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:316 -
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:812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD524e63bbda543a6ecc8304102ea207433
SHA15da95813d0d18f29227e28aa74df259f1afab506
SHA256dc775fdb8d4f9d7556687c438613ab8c7307ed2b9a2608d26aadbec15b815285
SHA51277703203b7d3d59ebae1d37f7ac09387a1dee6edb2e30c001968a1215faf7a952ab140d04e367388f1eadec7869b41c7119fb3b06f2ff6c08d503f55869db446
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HD0NEP5HWA63RTR2Z7G9.temp
Filesize7KB
MD5c35ccf09f232f0405901e31abd0e1eb4
SHA145d53cceb4805ca5f8a47c9768bb8f5ef4495c25
SHA25608abd89549efea4b4f2d7f5001530f0f30b33e1d348a13fcc42fdbf30e45c74d
SHA5120cc02593ee914f58f1395731a6a0a00fd26aa54e3bf167a5c059e06e5bd81d7c6d03421a67dee16a6b119d362da2bd1bef08cf77f578b429c35cd37a21d28b58
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5c35ccf09f232f0405901e31abd0e1eb4
SHA145d53cceb4805ca5f8a47c9768bb8f5ef4495c25
SHA25608abd89549efea4b4f2d7f5001530f0f30b33e1d348a13fcc42fdbf30e45c74d
SHA5120cc02593ee914f58f1395731a6a0a00fd26aa54e3bf167a5c059e06e5bd81d7c6d03421a67dee16a6b119d362da2bd1bef08cf77f578b429c35cd37a21d28b58