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260222-snsb5ab16e10Analysis
- max time kernel
167s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20260129-en - resource tags
- submitted
07/02/2026, 15:54
General
- Target mouse_2.exe
- Size 984KB
- Sample260207-tcbexaes9d
- SHA256 03968a3a5a7a880feefca31686fcfbed445080a0c06eda2b6d623757179b782c
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main payload 1 IoCs
- Masslogger family
- ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 24 IoCs
- Looks up external IP address via web service 1 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 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: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 18 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3937.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"{path}"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Users\Admin\AppData\Roaming\aqkfZm.exeC:\Users\Admin\AppData\Roaming\aqkfZm.exe1⤵
- 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:\Users\Admin\AppData\Roaming\aqkfZm.exe"{path}"2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Roaming\aqkfZm.exe"{path}"2⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
aqkfZm.exe.log
Screenshot.jpeg
tmp3937.tmp
aqkfZm.exe
memory/3344-5-0x00000000051F0000-0x00000000051FA000-memory.dmp
memory/3344-3-0x000000000ADD0000-0x000000000B374000-memory.dmp
memory/3344-6-0x00000000061B0000-0x00000000061B8000-memory.dmp
memory/3344-7-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/3344-8-0x0000000006800000-0x000000000689C000-memory.dmp
memory/3344-9-0x0000000006A20000-0x0000000006ACE000-memory.dmp
memory/3344-4-0x000000000A920000-0x000000000A9B2000-memory.dmp
memory/3344-1-0x0000000007560000-0x0000000007620000-memory.dmp
memory/3344-2-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/3344-0-0x00000000005C0000-0x00000000006BC000-memory.dmp
memory/3508-16-0x0000000005870000-0x00000000058B4000-memory.dmp
memory/3508-19-0x0000000005A20000-0x0000000005A86000-memory.dmp
memory/3508-30-0x0000000008890000-0x00000000088E0000-memory.dmp
memory/3508-38-0x0000000005720000-0x0000000005730000-memory.dmp
memory/3508-15-0x0000000005720000-0x0000000005730000-memory.dmp
memory/3508-13-0x0000000000400000-0x00000000004A8000-memory.dmp