Analysis
- max time kernel
137s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
05/11/2024, 11:27
General
- Target a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe
- Size 269KB
- Sample241105-nkeveazfmg
- SHA256 a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.recsb.com
-
Port
587
-
Username
-
Password
1=vI*r6^
-
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.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- System Location Discovery: System Language Discovery 1 TTPs 1 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe"C:\Users\Admin\AppData\Local\Temp\a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe"1⤵
- 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/5036-0-0x00000000750BE000-0x00000000750BF000-memory.dmp
memory/5036-1-0x00000000003E0000-0x0000000000428000-memory.dmp
memory/5036-2-0x00000000053F0000-0x0000000005994000-memory.dmp
memory/5036-3-0x0000000004E40000-0x0000000004EDC000-memory.dmp
memory/5036-4-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/5036-5-0x00000000750BE000-0x00000000750BF000-memory.dmp
memory/5036-6-0x0000000006520000-0x00000000066E2000-memory.dmp
memory/5036-7-0x00000000063C0000-0x0000000006410000-memory.dmp
memory/5036-8-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/5036-9-0x00000000066F0000-0x0000000006782000-memory.dmp
memory/5036-10-0x00000000064D0000-0x00000000064DA000-memory.dmp