Analysis
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max time kernel
119s -
max time network
129s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27/11/2020, 14:10
Static task
static1
Behavioral task
behavioral1
Sample
26-11-20_Dhl_Signed_document-pdf.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
26-11-20_Dhl_Signed_document-pdf.exe
Resource
win10v20201028
General
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Target
26-11-20_Dhl_Signed_document-pdf.exe
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Size
5.3MB
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MD5
0ea58048397685461c50d29255cd32ac
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SHA1
7ce3ba3cf6b124125b2da19109e9ea0dc48be4b9
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SHA256
fba68e2814abacdbe354eb421f5fd731a64cf8410b9ded4e914373a7863c2e99
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SHA512
4f923f5205475d4266b24333300ef0dce9dd4c0efe77fea252b97f66e121860e1c350b335fe93286d23d748c7ffb9b08c421bcb490fde915636fba26ca3df541
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 1 IoCs
resource yara_rule behavioral1/memory/1756-1047-0x0000000024B60000-0x0000000024BE6000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation 26-11-20_Dhl_Signed_document-pdf.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc245 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc245.exe\"" 26-11-20_Dhl_Signed_document-pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 api.ipify.org -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1756 26-11-20_Dhl_Signed_document-pdf.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1756 26-11-20_Dhl_Signed_document-pdf.exe 1756 26-11-20_Dhl_Signed_document-pdf.exe 1756 26-11-20_Dhl_Signed_document-pdf.exe 1756 26-11-20_Dhl_Signed_document-pdf.exe 1756 26-11-20_Dhl_Signed_document-pdf.exe 1756 26-11-20_Dhl_Signed_document-pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1756 26-11-20_Dhl_Signed_document-pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1756 26-11-20_Dhl_Signed_document-pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\26-11-20_Dhl_Signed_document-pdf.exe"C:\Users\Admin\AppData\Local\Temp\26-11-20_Dhl_Signed_document-pdf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1756