Analysis
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max time kernel
59s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
29-01-2025 08:38
Static task
static1
Behavioral task
behavioral1
Sample
EFT Remittance Slip for Due Invoice.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
EFT Remittance Slip for Due Invoice.exe
Resource
win10v2004-20241007-en
General
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Target
EFT Remittance Slip for Due Invoice.exe
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Size
1.2MB
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MD5
8c6ad00d939323abfb5ebef28bc8ca00
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SHA1
b80b7621a8af48cd62361b938f8727d181661f2f
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SHA256
eb3dcc6f02b890aeaa2368161d863b645a4c115bb4385278f80335ffb6143041
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SHA512
2b3365e3c5d865502121fbae148158aef1d3a9ada2b9152d997c96bad5aa51247a7c1eea1dcea48c98ba09b547b0f58450e2c3e3c62ba80d15571a432d72fc04
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SSDEEP
24576:KAHnh+eWsN3skA4RV1Hom2KXFmIaIcPGZV+2urmZ5XEo5:dh+ZkldoPK1XaIcPGmrC5f
Malware Config
Extracted
Protocol: smtp- Host:
mail.norcalwholehousefans.com - Port:
587 - Username:
[email protected] - Password:
Pythonk2024!@#$
Extracted
vipkeylogger
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" RegSvcs.exe -
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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nouses.vbs nouses.exe -
Executes dropped EXE 1 IoCs
pid Process 2816 nouses.exe -
Loads dropped DLL 1 IoCs
pid Process 2124 EFT Remittance Slip for Due Invoice.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0003000000018334-13.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2816 set thread context of 2720 2816 nouses.exe 30 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EFT Remittance Slip for Due Invoice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nouses.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe 2720 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2816 nouses.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2720 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2124 EFT Remittance Slip for Due Invoice.exe 2124 EFT Remittance Slip for Due Invoice.exe 2816 nouses.exe 2816 nouses.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2124 EFT Remittance Slip for Due Invoice.exe 2124 EFT Remittance Slip for Due Invoice.exe 2816 nouses.exe 2816 nouses.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2816 2124 EFT Remittance Slip for Due Invoice.exe 29 PID 2124 wrote to memory of 2816 2124 EFT Remittance Slip for Due Invoice.exe 29 PID 2124 wrote to memory of 2816 2124 EFT Remittance Slip for Due Invoice.exe 29 PID 2124 wrote to memory of 2816 2124 EFT Remittance Slip for Due Invoice.exe 29 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 PID 2816 wrote to memory of 2720 2816 nouses.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\EFT Remittance Slip for Due Invoice.exe"C:\Users\Admin\AppData\Local\Temp\EFT Remittance Slip for Due Invoice.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Users\Admin\AppData\Local\directiveness\nouses.exe"C:\Users\Admin\AppData\Local\Temp\EFT Remittance Slip for Due Invoice.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\EFT Remittance Slip for Due Invoice.exe"3⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5a244c8146db80a29c4406636da8ad680
SHA1309f1aa03b8f906b9538b2fa147d004824d456dd
SHA2565800960034dc44149efdec18a2f7630ae85fd59ede70420586d2b834fc2adbb0
SHA512d5a7ce6edfffe4923943a97bc90b3f5d66b06b1e0c874116c1f25cf4cbac6dcf298d648c53079cdf884111a3ddc6855fb47b2c6f948e47d736fc52e052ceaa88
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Filesize
1.2MB
MD58c6ad00d939323abfb5ebef28bc8ca00
SHA1b80b7621a8af48cd62361b938f8727d181661f2f
SHA256eb3dcc6f02b890aeaa2368161d863b645a4c115bb4385278f80335ffb6143041
SHA5122b3365e3c5d865502121fbae148158aef1d3a9ada2b9152d997c96bad5aa51247a7c1eea1dcea48c98ba09b547b0f58450e2c3e3c62ba80d15571a432d72fc04