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Analysis
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max time kernel
144s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3220 set thread context of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 1608 set thread context of 1904 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 98 -
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 2484 schtasks.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 35 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3820 powershell.exe 1284 powershell.exe 1284 powershell.exe 3820 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 1284 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3220 wrote to memory of 3820 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 91 PID 3220 wrote to memory of 3820 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 91 PID 3220 wrote to memory of 3820 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 91 PID 3220 wrote to memory of 1284 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 93 PID 3220 wrote to memory of 1284 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 93 PID 3220 wrote to memory of 1284 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 93 PID 3220 wrote to memory of 2484 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 95 PID 3220 wrote to memory of 2484 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 95 PID 3220 wrote to memory of 2484 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 95 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 3220 wrote to memory of 1608 3220 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 97 PID 1608 wrote to memory of 1904 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 98 PID 1608 wrote to memory of 1904 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 98 PID 1608 wrote to memory of 1904 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 98 PID 1608 wrote to memory of 1904 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 98 PID 1608 wrote to memory of 1904 1608 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AppLaunch.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3220 -
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:3820
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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:1284
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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\tmpD1A8.tmp"2⤵
- Creates scheduled task(s)
PID:2484
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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:1608 -
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:1904
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5236ddb92456f45b2bfb5bfe171f21dd9
SHA1e3945b285b6edc53c576220fa2c3997b593d3ac1
SHA256674f9a7248b0e9d0f61f36a7e018ca1803e4435c5a32eb71934e48da4107f5bb
SHA5128c1d2ccf5e8a7625bfd2548decbbcebcfac369aebb0b80e93d4f42b80cc86148e01e53c9e7bcc8795adfee200885e19c1394849a6a7bac789df10243c5498617
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD564fa64353ecf4a60b79da851f7ae8f1a
SHA1d2d09b6eba7d728b0e970e36a9aea7fd8b3f783e
SHA2560f44664f0eaf45d95f4917e53db395a43e47295f0a46933803b404eabc2803a7
SHA5125a3dcda672aa3cb83c4ecc609b97eee24947e576c3b030d6c68ab0ee9097465ac1dcf294f6759b22168041c99daf329b0d65986039a29c17bd6c94f7d800fe32