Analysis
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max time kernel
116s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 18:15
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\WOW6432Node\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 3616 nouses.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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 15 checkip.dyndns.org 19 reallyfreegeoip.org 20 reallyfreegeoip.org -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4076-11-0x00000000013D0000-0x00000000017D0000-memory.dmp autoit_exe behavioral2/files/0x000a000000023b95-13.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3616 set thread context of 564 3616 nouses.exe 85 -
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 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe 564 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3616 nouses.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 564 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 3616 nouses.exe 3616 nouses.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 3616 nouses.exe 3616 nouses.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4076 wrote to memory of 3616 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 84 PID 4076 wrote to memory of 3616 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 84 PID 4076 wrote to memory of 3616 4076 EFT-Remittance-Slip-for-Due-Invoice.exe 84 PID 3616 wrote to memory of 564 3616 nouses.exe 85 PID 3616 wrote to memory of 564 3616 nouses.exe 85 PID 3616 wrote to memory of 564 3616 nouses.exe 85 PID 3616 wrote to memory of 564 3616 nouses.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4076 -
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:3616 -
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:564
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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