Analysis
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max time kernel
126s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
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submitted
28/03/2025, 13:20
General
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Target
OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe
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Size
1.3MB
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MD5
797ab1856f090d159c3d6da48d58b0d7
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SHA1
e0d11ad533fed6384c6a2389e3e43ad9388143a2
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SHA256
2f7ca421f4ebe3a8777b8d8567231fcfc7164aa552a563674aab2bb92c0604c1
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SHA512
ca496026dd5bbf65dd103fe7573bec7e0c368d2dfd4196902babfdfc5d4d44120680e47d8e4cc85a1e12cbd009cf09b04832d3e71ac1bb671465c762ae37d38c
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SSDEEP
24576:vhqp1stafsnr3f++K4cGEjrmNwUS08gVKyvFMBAJxE6En8M9PRuR350f:vh5tafsnK+KnywUzXVKymBAJFERDY50f
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
25 - Username:
[email protected] - Password:
moneyismade22 - Email To:
[email protected]
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 3 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\OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe"C:\Users\Admin\AppData\Local\Temp\OVERDUE ACCOUNT LETTER- FINAL REMINDER.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
4KB
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Filesize
1.4MB
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Filesize
1.1MB
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Filesize
7.7MB
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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
1.0MB
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Filesize
400KB
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Filesize
392KB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
5.6MB
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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
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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
248KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
5.2MB
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Filesize
584KB
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Filesize
40KB