Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
- submitted
10/10/2025, 07:29
General
- Target cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c.exe
- Size 373KB
- Sample251010-jblt5ssjs3
- SHA256 cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
smtp.ionos.es
-
Port
587
-
Username
-
Password
SOCAG3_314$%]
-
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
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.
- Drops file in System32 directory 1 IoCs
- 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 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c.exe"C:\Users\Admin\AppData\Local\Temp\cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c.exe"C:\Users\Admin\AppData\Local\Temp\cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c.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
Stubbekbinger99.ini
reformeres.lnk
memory/1980-10399-0x0000000037B90000-0x0000000038134000-memory.dmp
memory/1980-10401-0x00000000383D0000-0x00000000383E0000-memory.dmp
memory/1980-10387-0x00000000775B9000-0x00000000775BA000-memory.dmp
memory/1980-10397-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/1980-10398-0x0000000000470000-0x00000000004B8000-memory.dmp
memory/1980-10411-0x0000000035540000-0x000000003554A000-memory.dmp
memory/1980-10400-0x0000000038140000-0x00000000381DC000-memory.dmp
memory/1980-10386-0x0000000077518000-0x0000000077519000-memory.dmp
memory/1980-10403-0x00000000775B9000-0x00000000775BA000-memory.dmp
memory/1980-10404-0x00000000383D0000-0x00000000383E0000-memory.dmp
memory/1980-10407-0x00000000385E0000-0x00000000387A2000-memory.dmp
memory/1980-10408-0x0000000038320000-0x0000000038370000-memory.dmp
memory/1980-10410-0x0000000035480000-0x0000000035512000-memory.dmp
memory/5108-10385-0x0000000010004000-0x0000000010005000-memory.dmp