Analysis
- max time kernel
150s - max time network
152s - platform
windows7_x64 - resource
win7v20210408 - submitted
26/08/2021, 19:56
General
- Target Proposta nº 140689 - Antonio Aurélio dos Santos e Filhos, Lda77.exe
- Size 361KB
- Sample210826-bk96hfcd1x
- SHA256 c46c1d3ce137b855a860af126e8986175501defc0a3f69c5472bf9d905c05bb4
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proposta nº 140689 - Antonio Aurélio dos Santos e Filhos, Lda77.exe"C:\Users\Admin\AppData\Local\Temp\Proposta nº 140689 - Antonio Aurélio dos Santos e Filhos, Lda77.exe"1⤵
- Modifies system certificate store
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Proposta nº 140689 - Antonio Aurélio dos Santos e Filhos, Lda77.exe"C:\Users\Admin\AppData\Local\Temp\Proposta nº 140689 - Antonio Aurélio dos Santos e Filhos, Lda77.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1348-60-0x00000000762C1000-0x00000000762C3000-memory.dmp
memory/1348-61-0x0000000002550000-0x0000000002551000-memory.dmp
memory/1348-62-0x0000000005210000-0x0000000005212000-memory.dmp