Analysis
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max time kernel
89s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:52
Static task
static1
Behavioral task
behavioral1
Sample
ttttttt.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
ttttttt.exe
Resource
win10v2004-20220414-en
General
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Target
ttttttt.exe
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Size
1.3MB
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MD5
5871c56853982658b13619b6beae47da
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SHA1
f2dbb57a824853f48a6b16797e9682b328078b93
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SHA256
296b2d6c24dd68f7a59ea4388d979bba6572c288ab891cd35ec81e56c602318d
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SHA512
5cc16a8c7a76320927f3818845929fe42583a0f6151144e81d2a6afb0d86a6ea3c65efaa6efd54f6b5f40dd5f1d33bf0638089516d75c2819cb8ae4c7606edd1
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4240-134-0x0000000000BC0000-0x0000000000C68000-memory.dmp family_masslogger behavioral2/memory/4240-133-0x0000000000BC0000-0x0000000000C68000-memory.dmp family_masslogger -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tttttttttt.vbs notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ttttttt.exedescription pid process target process PID 2192 set thread context of 4240 2192 ttttttt.exe ttttttt.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
ttttttt.exepowershell.exepid process 2192 ttttttt.exe 2192 ttttttt.exe 4436 powershell.exe 4436 powershell.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
ttttttt.exepid process 2192 ttttttt.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4436 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
ttttttt.exettttttt.execmd.exedescription pid process target process PID 2192 wrote to memory of 4400 2192 ttttttt.exe notepad.exe PID 2192 wrote to memory of 4400 2192 ttttttt.exe notepad.exe PID 2192 wrote to memory of 4400 2192 ttttttt.exe notepad.exe PID 2192 wrote to memory of 4400 2192 ttttttt.exe notepad.exe PID 2192 wrote to memory of 4400 2192 ttttttt.exe notepad.exe PID 2192 wrote to memory of 4240 2192 ttttttt.exe ttttttt.exe PID 2192 wrote to memory of 4240 2192 ttttttt.exe ttttttt.exe PID 2192 wrote to memory of 4240 2192 ttttttt.exe ttttttt.exe PID 4240 wrote to memory of 176 4240 ttttttt.exe cmd.exe PID 4240 wrote to memory of 176 4240 ttttttt.exe cmd.exe PID 4240 wrote to memory of 176 4240 ttttttt.exe cmd.exe PID 176 wrote to memory of 4436 176 cmd.exe powershell.exe PID 176 wrote to memory of 4436 176 cmd.exe powershell.exe PID 176 wrote to memory of 4436 176 cmd.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ttttttt.exe"C:\Users\Admin\AppData\Local\Temp\ttttttt.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
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C:\Users\Admin\AppData\Local\Temp\ttttttt.exe"C:\Users\Admin\AppData\Local\Temp\ttttttt.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\ttttttt.exe' & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\ttttttt.exe'4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/176-139-0x0000000000000000-mapping.dmp
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memory/2192-130-0x0000000002450000-0x000000000245A000-memory.dmpFilesize
40KB
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memory/4240-132-0x0000000000000000-mapping.dmp
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memory/4240-134-0x0000000000BC0000-0x0000000000C68000-memory.dmpFilesize
672KB
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memory/4240-133-0x0000000000BC0000-0x0000000000C68000-memory.dmpFilesize
672KB
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memory/4240-135-0x0000000004E20000-0x00000000053C4000-memory.dmpFilesize
5.6MB
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memory/4240-136-0x0000000004CF0000-0x0000000004D8C000-memory.dmpFilesize
624KB
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memory/4240-137-0x00000000054E0000-0x0000000005546000-memory.dmpFilesize
408KB
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memory/4240-138-0x0000000005560000-0x00000000055F2000-memory.dmpFilesize
584KB
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memory/4400-131-0x0000000000000000-mapping.dmp
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memory/4436-140-0x0000000000000000-mapping.dmp
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memory/4436-141-0x0000000002370000-0x00000000023A6000-memory.dmpFilesize
216KB
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memory/4436-142-0x0000000004F60000-0x0000000005588000-memory.dmpFilesize
6.2MB
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memory/4436-143-0x0000000004CB0000-0x0000000004CD2000-memory.dmpFilesize
136KB
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memory/4436-144-0x0000000004DD0000-0x0000000004E36000-memory.dmpFilesize
408KB
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memory/4436-145-0x0000000005C60000-0x0000000005C7E000-memory.dmpFilesize
120KB
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memory/4436-146-0x0000000007500000-0x0000000007B7A000-memory.dmpFilesize
6.5MB
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memory/4436-147-0x0000000006130000-0x000000000614A000-memory.dmpFilesize
104KB
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memory/4436-148-0x0000000006F20000-0x0000000006FB6000-memory.dmpFilesize
600KB
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memory/4436-149-0x0000000006210000-0x0000000006232000-memory.dmpFilesize
136KB