Analysis
- max time kernel
128s - max time network
127s - platform
windows10_x64 - resource
win10 - submitted
27/10/2020, 13:01
General
- Target Delivery Note - AWD 200038485852- 234920300333.exe
- Size 876KB
- Sample201027-4kj4d9ppee
- SHA256 982c1c1db5ea18b83cdeb2f91672d093ff3258154c88334ed09dd736cb84c2d8
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 2 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 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Delivery Note - AWD 200038485852- 234920300333.exe"C:\Users\Admin\AppData\Local\Temp\Delivery Note - AWD 200038485852- 234920300333.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\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2756-21-0x0000000006C00000-0x0000000006C01000-memory.dmp
memory/2756-23-0x0000000006BE0000-0x0000000006BE1000-memory.dmp
memory/2756-22-0x0000000006E30000-0x0000000006E31000-memory.dmp
memory/2756-19-0x00000000066A0000-0x00000000066A1000-memory.dmp
memory/2756-10-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2756-14-0x0000000073B70000-0x000000007425E000-memory.dmp
memory/2896-32-0x0000000008080000-0x0000000008081000-memory.dmp
memory/2896-33-0x0000000007DD0000-0x0000000007DD1000-memory.dmp
memory/2896-47-0x00000000069F0000-0x00000000069F1000-memory.dmp
memory/2896-45-0x0000000006A00000-0x0000000006A01000-memory.dmp
memory/2896-44-0x0000000009110000-0x0000000009111000-memory.dmp
memory/2896-43-0x0000000008F50000-0x0000000008F51000-memory.dmp
memory/2896-42-0x0000000008DE0000-0x0000000008DE1000-memory.dmp
memory/2896-24-0x0000000073B70000-0x000000007425E000-memory.dmp
memory/2896-25-0x0000000004370000-0x0000000004371000-memory.dmp
memory/2896-26-0x0000000006EF0000-0x0000000006EF1000-memory.dmp
memory/2896-27-0x0000000006DA0000-0x0000000006DA1000-memory.dmp
memory/2896-28-0x0000000007590000-0x0000000007591000-memory.dmp
memory/2896-30-0x0000000007730000-0x0000000007731000-memory.dmp
memory/2896-31-0x00000000076E0000-0x00000000076E1000-memory.dmp
memory/2896-35-0x0000000008E00000-0x0000000008E33000-memory.dmp
memory/3984-1-0x0000000000160000-0x0000000000161000-memory.dmp
memory/3984-6-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/3984-7-0x0000000005960000-0x0000000005961000-memory.dmp
memory/3984-8-0x0000000005260000-0x0000000005276000-memory.dmp
memory/3984-0-0x0000000073B70000-0x000000007425E000-memory.dmp
memory/3984-5-0x0000000005A40000-0x0000000005A41000-memory.dmp
memory/3984-3-0x0000000000BE0000-0x0000000000C12000-memory.dmp