Analysis
-
max time kernel
98s -
max time network
77s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-05-2022 07:35
General
-
Target
b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a.exe
-
Size
659KB
-
MD5
cfb1b53060223753fed8d9cac55b9aa9
-
SHA1
8c74700d2eceb7d60cb1ba5f2c14e4ed75f9f61e
-
SHA256
b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a
-
SHA512
24f3758e16616b00d19d68291971bb75967b0560b9922b5f0d584afb538d4acd435cdd7c56f9271eee3d11bec5b0410b1a2b51f9a7becae7207e2c46cc83dc40
Malware Config
Signatures
-
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
-
MassLogger Main Payload 7 IoCs
-
Executes dropped EXE 1 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Loads dropped DLL 1 IoCs
-
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 35 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
-
Suspicious behavior: AddClipboardFormatListener 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
-
Suspicious use of AdjustPrivilegeToken 5 IoCs
-
Suspicious use of SetWindowsHookEx 1 IoCs
-
Suspicious use of WriteProcessMemory 13 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a.exe"C:\Users\Admin\AppData\Local\Temp\b770e8a6e3fa734aef0f401a988cfbe6925ac4da81c76f7dc4b0e8d1d105227a.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\svhost.exe"C:\Users\Admin\AppData\Local\Temp\svhost.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\svhost.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
255KB
MD59af17c8393f0970ee5136bd3ffa27001
SHA14b285b72c1a11285a25f31f2597e090da6bbc049
SHA25671d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019
SHA512b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3
-
Filesize
255KB
MD59af17c8393f0970ee5136bd3ffa27001
SHA14b285b72c1a11285a25f31f2597e090da6bbc049
SHA25671d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019
SHA512b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3
-
Filesize
255KB
MD59af17c8393f0970ee5136bd3ffa27001
SHA14b285b72c1a11285a25f31f2597e090da6bbc049
SHA25671d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019
SHA512b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3
-
Filesize
5.7MB
-
-
Filesize
8KB
-
Filesize
680KB
-
Filesize
536KB
-
-
Filesize
536KB
-
Filesize
536KB
-
Filesize
536KB
-
Filesize
536KB
-
Filesize
536KB
-
Filesize
256KB
-
Filesize
536KB