Analysis
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max time kernel
104s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 14:02
Behavioral task
behavioral1
Sample
Inv#9500009424.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Inv#9500009424.exe
Resource
win10v2004-20241007-en
General
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Target
Inv#9500009424.exe
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Size
532KB
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MD5
13628c79c5c1febc28bc57bf7ec89272
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SHA1
e568d6984413658351e5be9f121ccdc66e46b71f
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SHA256
7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3
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SHA512
8ed53c692e6634ed56fd6e80c6854026c178707cb6d48319c2f8e56cefc6cbe198ccc3de8ca467f1578d440c84ec129ac49199fd81bc5535234a56ea9d0daab4
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SSDEEP
12288:vYV6MorX7qzuC3QHO9FQVHPF51jgcoe7DAerHfq8VQv:8BXu9HGaVHoeDieQv
Malware Config
Extracted
Protocol: smtp- Host:
mail.npmmachinery.com - Port:
587 - Username:
[email protected] - Password:
^@SC}ST5oCG-
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.npmmachinery.com - Port:
587 - Username:
[email protected] - Password:
^@SC}ST5oCG- - 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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Fonda.vbs Fonda.exe -
Executes dropped EXE 1 IoCs
pid Process 5084 Fonda.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 18 reallyfreegeoip.org 12 checkip.dyndns.org 17 reallyfreegeoip.org -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4088-18-0x0000000000210000-0x0000000000347000-memory.dmp autoit_exe behavioral2/memory/5084-33-0x00000000011B0000-0x00000000015B0000-memory.dmp autoit_exe behavioral2/memory/5084-37-0x0000000000E60000-0x0000000000F97000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5084 set thread context of 440 5084 Fonda.exe 83 -
resource yara_rule behavioral2/memory/4088-0-0x0000000000210000-0x0000000000347000-memory.dmp upx behavioral2/files/0x0007000000023c95-15.dat upx behavioral2/memory/5084-16-0x0000000000E60000-0x0000000000F97000-memory.dmp upx behavioral2/memory/4088-18-0x0000000000210000-0x0000000000347000-memory.dmp upx behavioral2/memory/5084-37-0x0000000000E60000-0x0000000000F97000-memory.dmp upx -
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 RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Inv#9500009424.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Fonda.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 440 RegSvcs.exe 440 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 5084 Fonda.exe 5084 Fonda.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 440 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4088 Inv#9500009424.exe 4088 Inv#9500009424.exe 5084 Fonda.exe 5084 Fonda.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 4088 Inv#9500009424.exe 4088 Inv#9500009424.exe 5084 Fonda.exe 5084 Fonda.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4088 wrote to memory of 5084 4088 Inv#9500009424.exe 82 PID 4088 wrote to memory of 5084 4088 Inv#9500009424.exe 82 PID 4088 wrote to memory of 5084 4088 Inv#9500009424.exe 82 PID 5084 wrote to memory of 440 5084 Fonda.exe 83 PID 5084 wrote to memory of 440 5084 Fonda.exe 83 PID 5084 wrote to memory of 440 5084 Fonda.exe 83 PID 5084 wrote to memory of 440 5084 Fonda.exe 83 -
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\Inv#9500009424.exe"C:\Users\Admin\AppData\Local\Temp\Inv#9500009424.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Users\Admin\AppData\Local\robustuous\Fonda.exe"C:\Users\Admin\AppData\Local\Temp\Inv#9500009424.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:5084 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Inv#9500009424.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:440
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
58KB
MD5bd458a2279d69a8334f65265523f3ed0
SHA108bead8156d46a02aca3897352978172ef4fa2e0
SHA256581a394d4f0cd2f9a75ddf35b325af82fc501f54b353434f8329457c8580968c
SHA51227f560dc23503525bb2a9345f6af212afb37b9272480f48f0f4cf745b5d46c2d2a9c202dff4fdb99c44296b7f29cd776b55631d35fdd2fa8d7f14bf20140f993
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Filesize
532KB
MD513628c79c5c1febc28bc57bf7ec89272
SHA1e568d6984413658351e5be9f121ccdc66e46b71f
SHA2567e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3
SHA5128ed53c692e6634ed56fd6e80c6854026c178707cb6d48319c2f8e56cefc6cbe198ccc3de8ca467f1578d440c84ec129ac49199fd81bc5535234a56ea9d0daab4