Analysis
- max time kernel
85s - max time network
102s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
proof of payment.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target proof of payment.exe
- Size 1.0MB
- Sample201109-kbcf32z2la
- SHA256 9a8b855058e1d8a31a302dfa49caa68baec7940553466f303a65c5eb032fb4e3
- MD5 3b1c63fd80274c1e1229c912c87054ee
- SHA1 6075321148be39088bc210ec318c52831c1c4a98
- SHA512 9a15a0f3ae4ad83de984f3c98e4d7bcc7c86fc7fb34ced7bafa68cca888ebf85fa45f063555eadad693949ef50400a86af37fec03d7c26970bcc9b0dc5171c1d
- MD5 SHA1 SHA512
Malware Config
Signatures
- NetWire RAT payload 3 IoCs
resource yara_rule behavioral2/memory/1004-7-0x00000000011C0000-0x00000000016A7000-memory.dmp netwire behavioral2/memory/1004-8-0x00000000011C2BCB-mapping.dmp netwire behavioral2/memory/1004-12-0x00000000011C0000-0x00000000016A7000-memory.dmp netwire - Executes dropped EXE 2 IoCs
pid Process 3908 nximrsltvv.exe 1004 RegSvcs.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run nximrsltvv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\H1737L~1\\NXIMRS~1.EXE C:\\Users\\Admin\\AppData\\Roaming\\H1737L~1\\pdfwuhqs.mle" nximrsltvv.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3908 set thread context of 1004 3908 nximrsltvv.exe 77 - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3908 nximrsltvv.exe 1004 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4760 wrote to memory of 3908 4760 proof of payment.exe 75 PID 4760 wrote to memory of 3908 4760 proof of payment.exe 75 PID 4760 wrote to memory of 3908 4760 proof of payment.exe 75 PID 3908 wrote to memory of 1004 3908 nximrsltvv.exe 77 PID 3908 wrote to memory of 1004 3908 nximrsltvv.exe 77 PID 3908 wrote to memory of 1004 3908 nximrsltvv.exe 77 PID 3908 wrote to memory of 1004 3908 nximrsltvv.exe 77 PID 3908 wrote to memory of 1004 3908 nximrsltvv.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\proof of payment.exe"C:\Users\Admin\AppData\Local\Temp\proof of payment.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Users\Admin\AppData\Roaming\h1737l6182\nximrsltvv.exe"C:\Users\Admin\AppData\Roaming\h1737l6182\nximrsltvv.exe" pdfwuhqs.mle2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1004
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