Analysis
- max time kernel
118s - max time network
119s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
- submitted
21/06/2025, 03:46
General
- Target Purchase Order.exe
- Size 609KB
- Sample250621-ebrm6swpv7
- SHA256 11da44857eca257bfbebcbd1558987a27ff67fffe12ea8ba2a8ba472abf9e2c0
Malware Config
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
2025-01-20
-
host_password
1rt6Orj46CGa
-
host_port
587
- host_receiver
- host_sender
-
host_server
inv3stwithus.com
-
ssl_slate
True
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Masslogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vTbRew.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTbRew" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD031.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_0oku2x5j.mx1.ps1
tmpD031.tmp
memory/2968-72-0x00000000075F0000-0x00000000075FA000-memory.dmp
memory/2968-63-0x0000000007580000-0x000000000759A000-memory.dmp
memory/2968-85-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/2968-76-0x00000000077D0000-0x00000000077E5000-memory.dmp
memory/2968-75-0x00000000077C0000-0x00000000077CE000-memory.dmp
memory/2968-74-0x0000000007790000-0x00000000077A1000-memory.dmp
memory/2968-73-0x0000000007820000-0x00000000078B6000-memory.dmp
memory/2968-15-0x0000000002A20000-0x0000000002A56000-memory.dmp
memory/2968-17-0x00000000056A0000-0x0000000005CCA000-memory.dmp
memory/2968-16-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/2968-18-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/2968-19-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/2968-22-0x0000000005CD0000-0x0000000005D36000-memory.dmp
memory/2968-61-0x0000000007BC0000-0x000000000823A000-memory.dmp
memory/2968-21-0x0000000005620000-0x0000000005686000-memory.dmp
memory/2968-29-0x0000000005D40000-0x0000000006097000-memory.dmp
memory/2968-59-0x0000000007250000-0x00000000072F4000-memory.dmp
memory/2968-20-0x0000000005580000-0x00000000055A2000-memory.dmp
memory/2968-58-0x0000000007230000-0x000000000724E000-memory.dmp
memory/2968-48-0x00000000071D0000-0x0000000007204000-memory.dmp
memory/2968-46-0x0000000006230000-0x000000000624E000-memory.dmp
memory/2968-49-0x00000000752A0000-0x00000000752EC000-memory.dmp
memory/2968-47-0x0000000006780000-0x00000000067CC000-memory.dmp
memory/3160-8-0x00000000749DE000-0x00000000749DF000-memory.dmp
memory/3160-5-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/3160-3-0x0000000004C90000-0x0000000004D22000-memory.dmp
memory/3160-1-0x0000000000100000-0x000000000019E000-memory.dmp
memory/3160-4-0x0000000004C40000-0x0000000004C4A000-memory.dmp
memory/3160-0-0x00000000749DE000-0x00000000749DF000-memory.dmp
memory/3160-6-0x0000000004FA0000-0x000000000503C000-memory.dmp
memory/3160-2-0x00000000051A0000-0x0000000005746000-memory.dmp
memory/3160-9-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/3160-45-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/3160-10-0x0000000006790000-0x00000000067F2000-memory.dmp
memory/3160-7-0x0000000004F70000-0x0000000004F84000-memory.dmp
memory/4240-23-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/4240-77-0x0000000007430000-0x000000000744A000-memory.dmp
memory/4240-78-0x0000000007420000-0x0000000007428000-memory.dmp
memory/4240-62-0x00000000752A0000-0x00000000752EC000-memory.dmp
memory/4240-84-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/4240-34-0x00000000749D0000-0x0000000075181000-memory.dmp
memory/4428-43-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4428-60-0x0000000006400000-0x0000000006450000-memory.dmp
memory/4428-86-0x0000000006720000-0x00000000068E2000-memory.dmp