Resubmissions
23/03/2026, 02:00
260323-cffqcsds9n1005/03/2026, 16:32
260305-t1xm2scx3k1011/02/2026, 21:18
260211-z5q9qaav8h1011/05/2025, 03:54
250511-egp2javwat1003/09/2024, 14:02
240903-rb57sazdqf1003/09/2024, 13:51
240903-q59avszclf1002/09/2024, 19:51
240902-yk8gtsxbpd1002/09/2024, 02:27
240902-cxh7tazflg1002/09/2024, 02:26
240902-cwxc2sygll1021/06/2024, 19:37
240621-yca7cszgnd10Analysis
- max time kernel
133s - max time network
135s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
09/06/2024, 17:07
General
- Target Stealers/Masslogger/mouse_2.exe
- Size 984KB
- Sample240609-vm7rjadd73
- SHA256 03968a3a5a7a880feefca31686fcfbed445080a0c06eda2b6d623757179b782c
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main payload 1 IoCs
- ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 15 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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe"C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe"1⤵
- Suspicious use of SetThreadContext
- 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\tmp7F2E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- 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 v15
Replay Monitor
Loading Replay Monitor...
Downloads
mouse_2.exe.log
tmp7F2E.tmp
memory/1420-44-0x0000000073050000-0x000000007373E000-memory.dmp
memory/1420-33-0x0000000007FB0000-0x0000000008000000-memory.dmp
memory/1420-22-0x00000000056D0000-0x0000000005736000-memory.dmp
memory/1420-21-0x0000000073050000-0x000000007373E000-memory.dmp
memory/1420-20-0x0000000073050000-0x000000007373E000-memory.dmp
memory/1420-18-0x0000000005520000-0x0000000005564000-memory.dmp
memory/1420-15-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2888-3-0x000000000B4D0000-0x000000000B9CE000-memory.dmp
memory/2888-10-0x00000000072D0000-0x000000000736C000-memory.dmp
memory/2888-11-0x0000000007470000-0x000000000751E000-memory.dmp
memory/2888-9-0x0000000073050000-0x000000007373E000-memory.dmp
memory/2888-8-0x000000007305E000-0x000000007305F000-memory.dmp
memory/2888-19-0x0000000073050000-0x000000007373E000-memory.dmp
memory/2888-7-0x0000000005E30000-0x0000000005E38000-memory.dmp
memory/2888-6-0x0000000005AA0000-0x0000000005AAA000-memory.dmp
memory/2888-0-0x000000007305E000-0x000000007305F000-memory.dmp
memory/2888-5-0x0000000073050000-0x000000007373E000-memory.dmp
memory/2888-4-0x000000000B1B0000-0x000000000B242000-memory.dmp
memory/2888-2-0x0000000007D10000-0x0000000007DD0000-memory.dmp
memory/2888-1-0x0000000000FA0000-0x000000000109C000-memory.dmp