Analysis
- max time kernel
81s - max time network
133s - platform
windows10_x64 - resource
win10v20201028 - submitted
03/11/2020, 09:14
General
- Target c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.exe
- Size 894KB
- Sample201103-9wfzdsae6x
- SHA256 c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c
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: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.exe"C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.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\JeNwPub" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3CDB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.exe"C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.exe"C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.exe"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c.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/3692-34-0x0000000008820000-0x0000000008821000-memory.dmp
memory/3692-33-0x00000000081B0000-0x00000000081B1000-memory.dmp
memory/3692-45-0x0000000009C30000-0x0000000009C31000-memory.dmp
memory/3692-44-0x0000000009820000-0x0000000009821000-memory.dmp
memory/3692-37-0x0000000009840000-0x0000000009873000-memory.dmp
memory/3692-35-0x0000000008B90000-0x0000000008B91000-memory.dmp
memory/3692-26-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3692-46-0x0000000009D80000-0x0000000009D81000-memory.dmp
memory/3692-32-0x00000000084D0000-0x00000000084D1000-memory.dmp
memory/3692-47-0x0000000007640000-0x0000000007641000-memory.dmp
memory/3692-30-0x0000000008110000-0x0000000008111000-memory.dmp
memory/3692-29-0x00000000079F0000-0x00000000079F1000-memory.dmp
memory/3692-49-0x0000000007630000-0x0000000007631000-memory.dmp
memory/3692-28-0x0000000007A70000-0x0000000007A71000-memory.dmp
memory/3692-27-0x0000000004F70000-0x0000000004F71000-memory.dmp
memory/3888-9-0x0000000006330000-0x00000000063E9000-memory.dmp
memory/3888-7-0x0000000005720000-0x0000000005721000-memory.dmp
memory/3888-1-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/3888-3-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/3888-4-0x0000000005B80000-0x0000000005B81000-memory.dmp
memory/3888-5-0x0000000005680000-0x0000000005681000-memory.dmp
memory/3888-6-0x0000000003050000-0x0000000003051000-memory.dmp
memory/3888-10-0x00000000063F0000-0x0000000006473000-memory.dmp
memory/3888-0-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3888-8-0x0000000003080000-0x000000000308B000-memory.dmp
memory/4092-24-0x0000000006BB0000-0x0000000006BB1000-memory.dmp
memory/4092-13-0x0000000000400000-0x0000000000486000-memory.dmp
memory/4092-16-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/4092-21-0x00000000062D0000-0x00000000062D1000-memory.dmp