Analysis
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max time kernel
122s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 1888 Fonda.exe -
Loads dropped DLL 1 IoCs
pid Process 1764 Inv#9500009424.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 2 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/1764-18-0x0000000000F50000-0x0000000001087000-memory.dmp autoit_exe behavioral1/memory/1888-44-0x0000000000220000-0x0000000000357000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1888 set thread context of 2828 1888 Fonda.exe 32 -
resource yara_rule behavioral1/memory/1764-0-0x0000000000F50000-0x0000000001087000-memory.dmp upx behavioral1/files/0x0009000000016ccc-14.dat upx behavioral1/memory/1888-21-0x0000000000220000-0x0000000000357000-memory.dmp upx behavioral1/memory/1764-18-0x0000000000F50000-0x0000000001087000-memory.dmp upx behavioral1/memory/1888-44-0x0000000000220000-0x0000000000357000-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 Inv#9500009424.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Fonda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2828 RegSvcs.exe 2828 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1888 Fonda.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2828 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1764 Inv#9500009424.exe 1764 Inv#9500009424.exe 1888 Fonda.exe 1888 Fonda.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1764 Inv#9500009424.exe 1764 Inv#9500009424.exe 1888 Fonda.exe 1888 Fonda.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1764 wrote to memory of 1888 1764 Inv#9500009424.exe 31 PID 1764 wrote to memory of 1888 1764 Inv#9500009424.exe 31 PID 1764 wrote to memory of 1888 1764 Inv#9500009424.exe 31 PID 1764 wrote to memory of 1888 1764 Inv#9500009424.exe 31 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 PID 1888 wrote to memory of 2828 1888 Fonda.exe 32 -
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\Inv#9500009424.exe"C:\Users\Admin\AppData\Local\Temp\Inv#9500009424.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1764 -
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:1888 -
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:2828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
532KB
MD513628c79c5c1febc28bc57bf7ec89272
SHA1e568d6984413658351e5be9f121ccdc66e46b71f
SHA2567e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3
SHA5128ed53c692e6634ed56fd6e80c6854026c178707cb6d48319c2f8e56cefc6cbe198ccc3de8ca467f1578d440c84ec129ac49199fd81bc5535234a56ea9d0daab4