Analysis
- max time kernel
70s - max time network
113s - platform
windows10_x64 - resource
win10v200722 - submitted
19/10/2020, 07:25
General
- Target Swift Email Bildirimi pdf.exe
- Size 1.2MB
- Sample201019-stqpyk3792
- SHA256 3a174a8823aea425c1e4faae5879a783f18df206c436d12995e015448428caa3
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift Email Bildirimi pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Email Bildirimi pdf.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Swift Email Bildirimi pdf.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Swift Email Bildirimi pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Swift Email Bildirimi pdf.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/500-1-0x0000000000C20000-0x0000000000C21000-memory.dmp
memory/500-3-0x0000000005BE0000-0x0000000005BE1000-memory.dmp
memory/500-4-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/500-5-0x0000000005780000-0x0000000005781000-memory.dmp
memory/500-6-0x0000000005900000-0x0000000005901000-memory.dmp
memory/500-7-0x0000000005B50000-0x0000000005B66000-memory.dmp
memory/500-8-0x00000000077A0000-0x000000000784D000-memory.dmp
memory/500-9-0x0000000007A30000-0x0000000007A31000-memory.dmp
memory/500-0-0x0000000073A60000-0x000000007414E000-memory.dmp
memory/2512-24-0x0000000007A20000-0x0000000007A21000-memory.dmp
memory/2512-26-0x0000000008370000-0x0000000008371000-memory.dmp
memory/2512-33-0x00000000075B0000-0x00000000075B1000-memory.dmp
memory/2512-20-0x0000000073AE0000-0x00000000741CE000-memory.dmp
memory/2512-21-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/2512-22-0x0000000007D40000-0x0000000007D41000-memory.dmp
memory/2512-23-0x0000000007980000-0x0000000007981000-memory.dmp
memory/2512-32-0x0000000009B10000-0x0000000009B11000-memory.dmp
memory/2512-31-0x0000000009740000-0x0000000009741000-memory.dmp
memory/2512-27-0x0000000007C90000-0x0000000007C91000-memory.dmp
memory/2512-28-0x0000000008760000-0x0000000008761000-memory.dmp
memory/2512-29-0x0000000008A70000-0x0000000008A71000-memory.dmp
memory/2512-30-0x000000000A190000-0x000000000A191000-memory.dmp
memory/3648-10-0x0000000000400000-0x0000000000486000-memory.dmp
memory/3648-13-0x0000000073A60000-0x000000007414E000-memory.dmp