Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 12:38
General
- Target Bank confirmation details.exe
- Size 885KB
- Sample260910-pt5mvstcqe
- SHA256 352aa5e91d09f8720d6c96a621b4e74fc04d89508ec0a37ef6bb2b53264c4de1
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.jjgsxc-com.cc
-
Port
587
-
Username
-
Password
Payday2026
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Payday2026
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.jjgsxc-com.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 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 27 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bank confirmation details.exe"C:\Users\Admin\AppData\Local\Temp\Bank confirmation details.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\Bank confirmation details.exe"2⤵
- 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\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$fayws1=[System.Environment]::TickCount;$fhjysw=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$25zmob=$env:COMPUTERNAME;$srdhjj=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFRlLmV4ZQ==')));$25zmob=$env:COMPUTERNAME;& $fhjysw -FilePath $srdhjj"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Te.exe"C:\Users\Admin\AppData\Roaming\Te.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Te.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\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
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_v20iod2k.mhj.ps1
Te.exe
memory/908-6-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/908-4-0x0000000005040000-0x000000000504A000-memory.dmp
memory/908-5-0x00000000051C0000-0x000000000525C000-memory.dmp
memory/908-22-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/908-7-0x00000000077B0000-0x00000000077CE000-memory.dmp
memory/908-8-0x00000000748B2000-0x00000000748B3000-memory.dmp
memory/908-9-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/908-10-0x0000000007BA0000-0x0000000007C5A000-memory.dmp
memory/908-3-0x0000000005060000-0x00000000050F2000-memory.dmp
memory/908-2-0x0000000005620000-0x0000000005BDA000-memory.dmp
memory/908-1-0x0000000000570000-0x0000000000654000-memory.dmp
memory/908-0-0x00000000748B2000-0x00000000748B3000-memory.dmp
memory/984-12-0x0000000000400000-0x000000000041E000-memory.dmp
memory/984-15-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/984-18-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/984-46-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/984-58-0x00000000061F0000-0x0000000006240000-memory.dmp
memory/984-59-0x0000000006410000-0x00000000065D2000-memory.dmp
memory/2672-52-0x00000000068B0000-0x00000000068FC000-memory.dmp
memory/2672-50-0x0000000005E10000-0x000000000616B000-memory.dmp
memory/2672-53-0x0000000070A00000-0x0000000070A4C000-memory.dmp
memory/2672-56-0x0000000007620000-0x00000000076C3000-memory.dmp
memory/4352-30-0x000001FC97280000-0x000001FC972A2000-memory.dmp
memory/4684-19-0x0000000005440000-0x0000000005462000-memory.dmp
memory/4684-27-0x00000000062D0000-0x000000000631C000-memory.dmp
memory/4684-34-0x0000000070F10000-0x0000000070F5C000-memory.dmp
memory/4684-37-0x0000000007410000-0x0000000007430000-memory.dmp
memory/4684-38-0x0000000007450000-0x00000000074F3000-memory.dmp
memory/4684-26-0x00000000060F0000-0x000000000610E000-memory.dmp
memory/4684-33-0x00000000073D0000-0x0000000007406000-memory.dmp
memory/4684-40-0x0000000007590000-0x00000000075AA000-memory.dmp
memory/4684-39-0x0000000007BD0000-0x000000000824C000-memory.dmp
memory/4684-41-0x0000000007600000-0x000000000760A000-memory.dmp
memory/4684-42-0x0000000007800000-0x0000000007896000-memory.dmp
memory/4684-25-0x0000000005D20000-0x000000000607B000-memory.dmp
memory/4684-45-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/4684-20-0x00000000054E0000-0x0000000005546000-memory.dmp
memory/4684-21-0x0000000005550000-0x00000000055B6000-memory.dmp
memory/4684-17-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/4684-16-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/4684-14-0x0000000005610000-0x0000000005C5A000-memory.dmp
memory/4684-13-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/4684-11-0x00000000029F0000-0x0000000002A26000-memory.dmp