Analysis
- max time kernel
63s - max time network
126s - platform
windows7_x64 - resource
win7 - submitted
19/10/2020, 07:25
General
- Target Swift Email Bildirimi pdf.exe
- Size 1.2MB
- Sample201019-stqpyk3792
- SHA256 3a174a8823aea425c1e4faae5879a783f18df206c436d12995e015448428caa3
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.sidecrown.com
-
Port
587
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Username
-
Password
scp123as
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 4 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.
- 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.
- 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: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 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 use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Swift Email Bildirimi pdf.exe"{path}"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\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
Loading Replay Monitor...
Downloads
memory/564-27-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/564-13-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/564-18-0x0000000002540000-0x0000000002541000-memory.dmp
memory/564-51-0x00000000062D0000-0x00000000062D1000-memory.dmp
memory/564-50-0x00000000062C0000-0x00000000062C1000-memory.dmp
memory/564-36-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/564-35-0x0000000006200000-0x0000000006201000-memory.dmp
memory/564-28-0x0000000005710000-0x0000000005711000-memory.dmp
memory/564-22-0x0000000005610000-0x0000000005611000-memory.dmp
memory/564-17-0x0000000004910000-0x0000000004911000-memory.dmp
memory/564-16-0x0000000001DD0000-0x0000000001DD1000-memory.dmp
memory/564-19-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/900-0-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/900-1-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
memory/900-4-0x00000000051E0000-0x000000000528D000-memory.dmp
memory/900-3-0x00000000003D0000-0x00000000003E6000-memory.dmp
memory/2008-15-0x0000000006420000-0x00000000064AD000-memory.dmp
memory/2008-7-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2008-9-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/2008-8-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2008-14-0x0000000004BB0000-0x0000000004BE9000-memory.dmp
memory/2008-5-0x0000000000400000-0x0000000000486000-memory.dmp