Analysis
- max time kernel
122s - max time network
122s - platform
windows10_x64 - resource
win10v20201028 - 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 2 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 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\tmp517C.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/1812-3-0x0000000000DE0000-0x0000000000DE1000-memory.dmp
memory/1812-5-0x0000000007BF0000-0x0000000007CA6000-memory.dmp
memory/1812-6-0x000000000B4B0000-0x000000000B4B1000-memory.dmp
memory/1812-7-0x000000000B050000-0x000000000B051000-memory.dmp
memory/1812-8-0x00000000033F0000-0x00000000033F1000-memory.dmp
memory/1812-9-0x000000000E9B0000-0x000000000E9B1000-memory.dmp
memory/1812-10-0x000000000E620000-0x000000000E62E000-memory.dmp
memory/1812-11-0x0000000005870000-0x0000000005929000-memory.dmp
memory/1812-12-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/1812-2-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/2208-25-0x0000000006800000-0x0000000006801000-memory.dmp
memory/2208-29-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
memory/2208-17-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2208-20-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3740-34-0x0000000008170000-0x0000000008171000-memory.dmp
memory/3740-38-0x0000000008BA0000-0x0000000008BA1000-memory.dmp
memory/3740-27-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3740-30-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/3740-32-0x0000000007B40000-0x0000000007B41000-memory.dmp
memory/3740-33-0x0000000007A40000-0x0000000007A41000-memory.dmp
memory/3740-53-0x0000000007690000-0x0000000007691000-memory.dmp
memory/3740-36-0x0000000008450000-0x0000000008451000-memory.dmp
memory/3740-37-0x0000000008200000-0x0000000008201000-memory.dmp
memory/3740-39-0x0000000008B10000-0x0000000008B11000-memory.dmp
memory/3740-41-0x00000000098A0000-0x00000000098D3000-memory.dmp
memory/3740-48-0x0000000009880000-0x0000000009881000-memory.dmp
memory/3740-49-0x0000000009C00000-0x0000000009C01000-memory.dmp
memory/3740-50-0x0000000009E00000-0x0000000009E01000-memory.dmp
memory/3740-51-0x00000000076A0000-0x00000000076A1000-memory.dmp