Analysis
- max time kernel
149s - max time network
122s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
- submitted
08/12/2025, 14:34
General
- Target a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3.exe
- Size 590KB
- Sample251208-rxnvmaykep
- SHA256 a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
hosting2.ro.hostsailor.com
-
Port
587
-
Username
-
Password
7213575aceACE@@
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Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Loads dropped DLL 1 IoCs
- 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.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3.exe"C:\Users\Admin\AppData\Local\Temp\a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3.exe"C:\Users\Admin\AppData\Local\Temp\a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/968-25-0x0000000074985000-0x0000000074986000-memory.dmp
memory/4600-26-0x0000000077C78000-0x0000000077C79000-memory.dmp
memory/4600-27-0x0000000077D0B000-0x0000000077D0C000-memory.dmp
memory/4600-28-0x0000000000480000-0x0000000001797000-memory.dmp
memory/4600-29-0x0000000000480000-0x00000000004C8000-memory.dmp
memory/4600-30-0x0000000038C30000-0x00000000391D6000-memory.dmp
memory/4600-31-0x0000000038B30000-0x0000000038BCC000-memory.dmp
memory/4600-32-0x0000000039380000-0x0000000039390000-memory.dmp
memory/4600-34-0x0000000077D0B000-0x0000000077D0C000-memory.dmp
memory/4600-35-0x00000000399A0000-0x0000000039B62000-memory.dmp
memory/4600-36-0x0000000039B90000-0x0000000039BE0000-memory.dmp
memory/4600-37-0x0000000039380000-0x0000000039390000-memory.dmp
memory/4600-39-0x0000000039DA0000-0x0000000039E32000-memory.dmp
memory/4600-40-0x0000000039E90000-0x0000000039E9A000-memory.dmp