Analysis
- max time kernel
148s - max time network
119s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/11/2026, 08:14
General
- Target b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe
- Size 575KB
- Sample261109-j48jlsa15v
- SHA256 b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c
Malware Config
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
AniKene123$
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.freetrend.cc
-
ssl_slate
False
Signatures
- Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"C:\Users\Admin\AppData\Local\Temp\b9bc90a8397f9428a6fe766056f264b87865dbdf30138033340f468233f8ad7c.exe"2⤵
- Accesses Microsoft Outlook profiles
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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
__PSScriptPolicyTest_05csvvqg.vwn.psm1
memory/3708-32-0x00000000710C0000-0x000000007110C000-memory.dmp
memory/3708-24-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/3708-42-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/3708-40-0x0000000007F90000-0x0000000008026000-memory.dmp
memory/3708-39-0x0000000007D90000-0x0000000007D9A000-memory.dmp
memory/3708-38-0x0000000007D20000-0x0000000007D3A000-memory.dmp
memory/3708-37-0x0000000008360000-0x00000000089DC000-memory.dmp
memory/3708-36-0x0000000007BE0000-0x0000000007C83000-memory.dmp
memory/3708-35-0x0000000006FF0000-0x0000000007010000-memory.dmp
memory/3708-31-0x0000000006F90000-0x0000000006FC6000-memory.dmp
memory/3708-30-0x00000000069F0000-0x0000000006A3C000-memory.dmp
memory/3708-29-0x00000000069B0000-0x00000000069CE000-memory.dmp
memory/3708-23-0x0000000006330000-0x0000000006396000-memory.dmp
memory/3708-27-0x0000000006500000-0x000000000685B000-memory.dmp
memory/3708-20-0x0000000005C70000-0x00000000062BA000-memory.dmp
memory/3708-21-0x0000000005BB0000-0x0000000005BD2000-memory.dmp
memory/3708-17-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/3708-18-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/3708-22-0x00000000062C0000-0x0000000006326000-memory.dmp
memory/3708-19-0x0000000003160000-0x0000000003196000-memory.dmp
memory/5540-15-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/5540-28-0x00000000065B0000-0x0000000006600000-memory.dmp
memory/5540-44-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/5540-43-0x00000000068D0000-0x0000000006A92000-memory.dmp
memory/5540-14-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/5540-13-0x0000000000400000-0x000000000041E000-memory.dmp
memory/6124-0-0x00000000750B2000-0x00000000750B3000-memory.dmp
memory/6124-7-0x00000000750B2000-0x00000000750B3000-memory.dmp
memory/6124-10-0x0000000005690000-0x00000000056EA000-memory.dmp
memory/6124-12-0x00000000084C0000-0x000000000898C000-memory.dmp
memory/6124-1-0x00000000006D0000-0x0000000000766000-memory.dmp
memory/6124-9-0x00000000079C0000-0x0000000007A5C000-memory.dmp
memory/6124-8-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/6124-11-0x0000000007F90000-0x00000000084BC000-memory.dmp
memory/6124-6-0x0000000005470000-0x0000000005480000-memory.dmp
memory/6124-5-0x0000000005330000-0x000000000533A000-memory.dmp
memory/6124-4-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/6124-3-0x0000000005280000-0x0000000005312000-memory.dmp
memory/6124-16-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/6124-2-0x0000000005760000-0x0000000005D1A000-memory.dmp