Analysis
- max time kernel
115s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
06/10/2024, 02:56
General
- Target c95aea5bd5101ad02279840c6f58a7df8493476676c51957eced27380558672dN.exe
- Size 644KB
- Sample241006-de3dea1bmk
- SHA256 c95aea5bd5101ad02279840c6f58a7df8493476676c51957eced27380558672d
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.cybertechllc.top
-
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.
- 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 1 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
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 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\c95aea5bd5101ad02279840c6f58a7df8493476676c51957eced27380558672dN.exe"C:\Users\Admin\AppData\Local\Temp\c95aea5bd5101ad02279840c6f58a7df8493476676c51957eced27380558672dN.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c95aea5bd5101ad02279840c6f58a7df8493476676c51957eced27380558672dN.exe"C:\Users\Admin\AppData\Local\Temp\c95aea5bd5101ad02279840c6f58a7df8493476676c51957eced27380558672dN.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 v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/1316-11-0x0000000077381000-0x00000000774A1000-memory.dmp
memory/1316-13-0x0000000010004000-0x0000000010005000-memory.dmp
memory/1316-12-0x0000000077381000-0x00000000774A1000-memory.dmp
memory/4460-14-0x0000000077408000-0x0000000077409000-memory.dmp
memory/4460-15-0x0000000077425000-0x0000000077426000-memory.dmp
memory/4460-28-0x0000000000480000-0x00000000016D4000-memory.dmp
memory/4460-29-0x0000000000480000-0x00000000016D4000-memory.dmp
memory/4460-30-0x0000000077381000-0x00000000774A1000-memory.dmp
memory/4460-31-0x00000000740BE000-0x00000000740BF000-memory.dmp
memory/4460-32-0x0000000000480000-0x00000000004C8000-memory.dmp
memory/4460-33-0x0000000037C30000-0x00000000381D4000-memory.dmp
memory/4460-34-0x0000000035930000-0x00000000359CC000-memory.dmp
memory/4460-35-0x00000000740B0000-0x0000000074860000-memory.dmp
memory/4460-37-0x00000000386F0000-0x00000000388B2000-memory.dmp
memory/4460-38-0x00000000388C0000-0x0000000038910000-memory.dmp
memory/4460-39-0x00000000740BE000-0x00000000740BF000-memory.dmp
memory/4460-40-0x00000000740B0000-0x0000000074860000-memory.dmp
memory/4460-41-0x0000000038960000-0x00000000389F2000-memory.dmp
memory/4460-42-0x0000000038A50000-0x0000000038A5A000-memory.dmp