Analysis
- max time kernel
122s - max time network
121s - platform
windows7_x64 - resource
win7v20201028 - submitted
10/12/2020, 11:07
General
- Target 201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe
- Size 907KB
- Sample201210-lf5pyx58jj
- SHA256 1d5ef5eccb6e1598e4c3ccda198a61e58387ebba40398eb1d9262d1cab7dda06
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 4 IoCs
- 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.
- 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
- Creates scheduled task(s) 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 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe"C:\Users\Admin\AppData\Local\Temp\201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zGvupbQjgFAJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD614.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe"{path}"2⤵
- 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\201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/656-204-0x00000000741A0000-0x000000007488E000-memory.dmp
memory/656-203-0x0000000000400000-0x0000000000486000-memory.dmp
memory/656-202-0x0000000000400000-0x0000000000486000-memory.dmp
memory/656-200-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1680-182-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-195-0x0000000004CA0000-0x0000000004D59000-memory.dmp
memory/1680-45-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-57-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-66-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-70-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-88-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-92-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-94-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-98-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-104-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-108-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-132-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-140-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-154-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-156-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-158-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-170-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-2-0x00000000741A0000-0x000000007488E000-memory.dmp
memory/1680-186-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-194-0x0000000000420000-0x000000000042E000-memory.dmp
memory/1680-43-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-3-0x0000000000920000-0x0000000000921000-memory.dmp
memory/1680-41-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-39-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-25-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-14-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/1680-5-0x0000000004990000-0x0000000004A46000-memory.dmp
memory/1788-212-0x0000000005240000-0x0000000005241000-memory.dmp
memory/1788-208-0x00000000741A0000-0x000000007488E000-memory.dmp
memory/1788-209-0x00000000009D0000-0x00000000009D1000-memory.dmp
memory/1788-210-0x0000000004720000-0x0000000004721000-memory.dmp
memory/1788-211-0x0000000001140000-0x0000000001141000-memory.dmp
memory/1788-215-0x0000000005650000-0x0000000005651000-memory.dmp
memory/1788-220-0x00000000060D0000-0x00000000060D1000-memory.dmp
memory/1788-221-0x0000000006180000-0x0000000006181000-memory.dmp
memory/1788-228-0x0000000006280000-0x0000000006281000-memory.dmp
memory/1788-229-0x0000000005610000-0x0000000005611000-memory.dmp
memory/1788-243-0x0000000006300000-0x0000000006301000-memory.dmp
memory/1788-244-0x0000000006310000-0x0000000006311000-memory.dmp