Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-11-2024 08:09
Static task
static1
Behavioral task
behavioral1
Sample
RFQ__PO_6353637355363-PDF____PDF.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ__PO_6353637355363-PDF____PDF.exe
Resource
win10v2004-20241007-en
General
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Target
RFQ__PO_6353637355363-PDF____PDF.exe
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Size
750KB
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MD5
130040cd45252a0e1cabdc3f6398881c
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SHA1
948c573d9946d207de85e03df1f92680d88b2d42
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SHA256
8c1d7041e76efaf68b0c70000b850b3c80111d44114a421cb52e0d503947b96d
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SHA512
d465d96be19fdef320269d12170d258178bc078e2313b23a0d24a4b2e92db714851fe53a636a707d18a152fd4741cab33f70ad8e23bda06cb4d255172b5d4ad6
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SSDEEP
12288:rbeXOvvHy9lYZInZp3ZL2dnMZghB72/Mbim/fr8iOPXJAtISNtphdtxvWrUPb:XeXiZInZp3ZaJeg4MmofwbYr5dtxWrUz
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.aewn.buzz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ__PO_6353637355363-PDF____PDF.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ__PO_6353637355363-PDF____PDF.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ__PO_6353637355363-PDF____PDF.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exedescription pid Process procid_target PID 2432 set thread context of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
RFQ__PO_6353637355363-PDF____PDF.exeRFQ__PO_6353637355363-PDF____PDF.exepowershell.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ__PO_6353637355363-PDF____PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ__PO_6353637355363-PDF____PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exeRFQ__PO_6353637355363-PDF____PDF.exepowershell.exepid Process 2432 RFQ__PO_6353637355363-PDF____PDF.exe 2432 RFQ__PO_6353637355363-PDF____PDF.exe 1884 RFQ__PO_6353637355363-PDF____PDF.exe 352 powershell.exe 1884 RFQ__PO_6353637355363-PDF____PDF.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exeRFQ__PO_6353637355363-PDF____PDF.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2432 RFQ__PO_6353637355363-PDF____PDF.exe Token: SeDebugPrivilege 1884 RFQ__PO_6353637355363-PDF____PDF.exe Token: SeDebugPrivilege 352 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exedescription pid Process procid_target PID 2432 wrote to memory of 352 2432 RFQ__PO_6353637355363-PDF____PDF.exe 30 PID 2432 wrote to memory of 352 2432 RFQ__PO_6353637355363-PDF____PDF.exe 30 PID 2432 wrote to memory of 352 2432 RFQ__PO_6353637355363-PDF____PDF.exe 30 PID 2432 wrote to memory of 352 2432 RFQ__PO_6353637355363-PDF____PDF.exe 30 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 PID 2432 wrote to memory of 1884 2432 RFQ__PO_6353637355363-PDF____PDF.exe 31 -
outlook_office_path 1 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ__PO_6353637355363-PDF____PDF.exe -
outlook_win_path 1 IoCs
Processes:
RFQ__PO_6353637355363-PDF____PDF.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ__PO_6353637355363-PDF____PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
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\RFQ__PO_6353637355363-PDF____PDF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:352
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C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1884
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2