Analysis
- max time kernel
104s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
03/12/2024, 17:47
General
- Target PAYMENTRECEIPT_pdf.com.exe
- Size 901KB
- Sample241203-wctmla1ram
- SHA256 277d673f3d70278aac55dac83b12953e07b89d0364baa07ad38506d22fcc1b17
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
jhxkgroup.online
-
Port
587
-
Username
-
Password
7213575aceACE@
-
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 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 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\PAYMENTRECEIPT_pdf.com.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENTRECEIPT_pdf.com.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PAYMENTRECEIPT_pdf.com.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENTRECEIPT_pdf.com.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
memory/3588-9-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3588-16-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/3588-14-0x0000000006420000-0x0000000006470000-memory.dmp
memory/3588-13-0x00000000065A0000-0x0000000006762000-memory.dmp
memory/3588-11-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/3588-10-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/4320-8-0x0000000005980000-0x0000000005988000-memory.dmp
memory/4320-7-0x0000000005C60000-0x0000000005CFC000-memory.dmp
memory/4320-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp
memory/4320-6-0x0000000005B40000-0x0000000005BB8000-memory.dmp
memory/4320-5-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/4320-4-0x00000000058C0000-0x00000000058CA000-memory.dmp
memory/4320-12-0x0000000074F1E000-0x0000000074F1F000-memory.dmp
memory/4320-3-0x00000000059B0000-0x0000000005A42000-memory.dmp
memory/4320-2-0x0000000005F60000-0x0000000006504000-memory.dmp
memory/4320-15-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/4320-1-0x0000000000F50000-0x0000000001038000-memory.dmp