Analysis
- max time kernel
76s - max time network
129s - platform
windows10_x64 - resource
win10v20201028 - submitted
03/11/2020, 09:14
General
- Target a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe
- Size 892KB
- Sample201103-ztk2sd4ghj
- SHA256 a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc
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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe"C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.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\SHQBLlCWxsAyci" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B37.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe"C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe"C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.exe"C:\Users\Admin\AppData\Local\Temp\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.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\a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc.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/2128-23-0x0000000006BA0000-0x0000000006BA1000-memory.dmp
memory/2128-20-0x0000000006270000-0x0000000006271000-memory.dmp
memory/2128-15-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/2128-13-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2816-32-0x0000000007760000-0x0000000007761000-memory.dmp
memory/2816-33-0x0000000008260000-0x0000000008261000-memory.dmp
memory/2816-48-0x0000000006BD0000-0x0000000006BD1000-memory.dmp
memory/2816-46-0x0000000006BE0000-0x0000000006BE1000-memory.dmp
memory/2816-45-0x0000000009330000-0x0000000009331000-memory.dmp
memory/2816-44-0x0000000009110000-0x0000000009111000-memory.dmp
memory/2816-43-0x0000000008FB0000-0x0000000008FB1000-memory.dmp
memory/2816-36-0x0000000008FD0000-0x0000000009003000-memory.dmp
memory/2816-34-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
memory/2816-31-0x0000000007920000-0x0000000007921000-memory.dmp
memory/2816-29-0x0000000007660000-0x0000000007661000-memory.dmp
memory/2816-24-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/2816-26-0x0000000004510000-0x0000000004511000-memory.dmp
memory/2816-27-0x0000000006F90000-0x0000000006F91000-memory.dmp
memory/2816-28-0x00000000075C0000-0x00000000075C1000-memory.dmp
memory/3160-1-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/3160-3-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/3160-0-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/3160-8-0x0000000004EF0000-0x0000000004EFB000-memory.dmp
memory/3160-4-0x0000000005560000-0x0000000005561000-memory.dmp
memory/3160-5-0x0000000005060000-0x0000000005061000-memory.dmp
memory/3160-6-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
memory/3160-7-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/3160-10-0x0000000005E20000-0x0000000005EA3000-memory.dmp
memory/3160-9-0x0000000005D60000-0x0000000005E18000-memory.dmp