Analysis
- max time kernel
148s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
22/07/2025, 10:43
General
- Target Proforma Invoice.exe
- Size 730KB
- Sample250722-mslggsvsct
- SHA256 f2215030e25ace46d59ee7ca2fd12c4cfb8d6f220d848e51abd2bbd13c98e071
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.vishnuraam.com
-
Port
587
-
Username
-
Password
vmtextiles
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.vishnuraam.com
-
Port
587
-
Username
-
Password
vmtextiles
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Proforma Invoice.exe.log
memory/5068-10-0x0000000000400000-0x000000000044A000-memory.dmp
memory/5068-17-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/5068-16-0x0000000007010000-0x000000000753C000-memory.dmp
memory/5068-15-0x0000000006690000-0x00000000066E0000-memory.dmp
memory/5068-14-0x0000000006810000-0x00000000069D2000-memory.dmp
memory/5068-13-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/5788-4-0x0000000004DF0000-0x0000000004E00000-memory.dmp
memory/5788-8-0x0000000006CB0000-0x0000000006D3E000-memory.dmp
memory/5788-9-0x00000000093C0000-0x000000000945C000-memory.dmp
memory/5788-7-0x0000000004DF0000-0x0000000004E00000-memory.dmp
memory/5788-6-0x00000000053B0000-0x00000000053C0000-memory.dmp
memory/5788-5-0x00000000052B0000-0x00000000052BA000-memory.dmp
memory/5788-0-0x0000000000240000-0x00000000002FC000-memory.dmp
memory/5788-3-0x0000000004EB0000-0x0000000005207000-memory.dmp
memory/5788-2-0x0000000004E10000-0x0000000004EA2000-memory.dmp
memory/5788-1-0x00000000053C0000-0x0000000005966000-memory.dmp