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Analysis
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max time kernel
109s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
27/01/2025, 09:16
General
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Target
Full_Appointment_Letter_USB-242763-1.exe
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Size
2.1MB
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MD5
6bc20e5ed44e1066da7fc73389f5d17c
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SHA1
e325da9c13eab71108e6186b3aa882ae700ac9ae
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SHA256
97ae9be9adccb73c914747845b70887802a0a3d0bee383087fa468f4aa6ab73f
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SHA512
af8d479d240c91035b0b69bc0971d1e88549e74e8d33a24f3cdea7e05cd292627049086c1831991e1152d25e638bd461b58923064226ada31c494d4dc432205a
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SSDEEP
24576:BTyteSo4vLHAsZwI+4Q8V2wsebxfKFZ/6jgc1XYFaqouVn1s/eoX98i4H4444C:Y4H4444C
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7132042003:AAEUjvsVU50Hz9XUAuvfwzlp9oFWBYujQFI/sendMessage?chat_id=7048896986
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
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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
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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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.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\Full_Appointment_Letter_USB-242763-1.exe"C:\Users\Admin\AppData\Local\Temp\Full_Appointment_Letter_USB-242763-1.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7.7MB
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Filesize
296KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
5.2MB
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Filesize
320KB
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Filesize
1.8MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
392KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
1.0MB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
304KB
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Filesize
336KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB