Analysis
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max time kernel
104s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 13:24
Static task
static1
Behavioral task
behavioral1
Sample
Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe
Resource
win10v2004-20241007-en
General
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Target
Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe
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Size
884KB
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MD5
fa59fc9d6c2af739eaa63d3af4d6f428
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SHA1
0550a7caae5cbe592ada14d028601c95cc9c678b
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SHA256
909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9
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SHA512
fd728cf6a59b4db4c1223992c0ed25206da787b8fc0b8622ac875896d2f1f7a24d8596b6e3f825f021f423f60b29cd110ab61f111127df4a95af3a705d8daa57
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SSDEEP
24576:uRmJkcoQricOIQxiZY1iaC3zdlP1RtygCmm/:7JZoQrbTFZY1iaCjdagK
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7321210888:AAF5VQB5xBwH7bEync-Cxbbe1Ehqi_-yItA/sendMessage?chat_id=5094780368
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.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 6 checkip.dyndns.org 12 reallyfreegeoip.org 13 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4216 set thread context of 3484 4216 Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe 82 -
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 2 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3484 svchost.exe 3484 svchost.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4216 Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3484 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4216 wrote to memory of 3484 4216 Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe 82 PID 4216 wrote to memory of 3484 4216 Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe 82 PID 4216 wrote to memory of 3484 4216 Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe 82 PID 4216 wrote to memory of 3484 4216 Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_909a74c7a03956c55492863028a975ccf0917f54fab5d4fa8cfa2bfa8e480ed9.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:3484
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