Analysis
- max time kernel
95s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
01/10/2024, 07:58
General
- Target invoice.exe
- Size 777KB
- Sample241001-jvbtaasglc
- SHA256 a433aa981a5cbfd5fae678c523b088d034f61f57dcb61232fbaba73657867b36
Malware Config
Extracted
-
Protocol
smtp
-
Host
foxwagon-equipment.com
-
Port
587
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Username
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Password
SVBd8Gv^}!B1
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
foxwagon-equipment.com
-
Port
587
-
Username
-
Password
SVBd8Gv^}!B1
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- 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:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
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-
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\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 v15
Replay Monitor
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Downloads
invoice.exe.log
memory/3480-5-0x0000000074850000-0x0000000075000000-memory.dmp
memory/3480-16-0x0000000074850000-0x0000000075000000-memory.dmp
memory/3480-3-0x0000000005860000-0x00000000058F2000-memory.dmp
memory/3480-4-0x0000000005900000-0x000000000590A000-memory.dmp
memory/3480-0-0x000000007485E000-0x000000007485F000-memory.dmp
memory/3480-6-0x0000000006F10000-0x0000000006FC8000-memory.dmp
memory/3480-7-0x0000000005EB0000-0x0000000005ECE000-memory.dmp
memory/3480-8-0x000000007485E000-0x000000007485F000-memory.dmp
memory/3480-9-0x0000000074850000-0x0000000075000000-memory.dmp
memory/3480-10-0x00000000030E0000-0x000000000316C000-memory.dmp
memory/3480-2-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/3480-1-0x0000000000DB0000-0x0000000000E76000-memory.dmp
memory/3480-11-0x000000000C940000-0x000000000C9DC000-memory.dmp
memory/4964-12-0x0000000000400000-0x000000000044A000-memory.dmp
memory/4964-15-0x0000000074850000-0x0000000075000000-memory.dmp
memory/4964-17-0x0000000074850000-0x0000000075000000-memory.dmp
memory/4964-18-0x0000000006C20000-0x0000000006DE2000-memory.dmp
memory/4964-19-0x0000000006AA0000-0x0000000006AF0000-memory.dmp
memory/4964-20-0x0000000074850000-0x0000000075000000-memory.dmp
memory/4964-21-0x0000000007320000-0x000000000784C000-memory.dmp
memory/4964-22-0x0000000074850000-0x0000000075000000-memory.dmp