Analysis
- max time kernel
112s - max time network
113s - platform
windows10_x64 - resource
win10v200722 - submitted
21/09/2020, 10:25
General
- Target Versandrechnung.exe
- Size 704KB
- Sample200921-4gqdsfglvs
- SHA256 94ed91d33fa5a14f97c31acc659d4600b695920f7df7e79e2a86caf6da8026ff
Malware Config
Signatures
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Versandrechnung.exe"C:\Users\Admin\AppData\Local\Temp\Versandrechnung.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/728-0-0x00000000736B0000-0x0000000073D9E000-memory.dmp
memory/728-1-0x0000000000590000-0x0000000000591000-memory.dmp
memory/728-3-0x0000000004F80000-0x0000000004F81000-memory.dmp
memory/728-4-0x00000000055F0000-0x0000000005663000-memory.dmp
memory/728-6-0x0000000005E80000-0x0000000005EF2000-memory.dmp
memory/3976-8-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3976-10-0x00000000736B0000-0x0000000073D9E000-memory.dmp
memory/3976-13-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/3976-14-0x0000000005140000-0x0000000005141000-memory.dmp
memory/3976-15-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/3976-17-0x00000000066D0000-0x00000000066D1000-memory.dmp
memory/3976-18-0x0000000006B00000-0x0000000006B01000-memory.dmp