Analysis
- max time kernel
40s - max time network
49s - platform
windows10_x64 - resource
win10v20210408 - submitted
18/05/2021, 08:51
General
- Target ac561eb5036da19d58f24e9d49a09004.exe
- Size 87KB
- Sample210518-ng92bpcses
- SHA256 d238aea078ca1bb99a80ec2bf5d07acb818d72e7823ea8e767eefde95a038401
Score
10/10
Malware Config
Signatures
- BlackNET
BlackNET is an open source remote access tool written in VB.NET.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac561eb5036da19d58f24e9d49a09004.exe"C:\Users\Admin\AppData\Local\Temp\ac561eb5036da19d58f24e9d49a09004.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 4000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\ac561eb5036da19d58f24e9d49a09004.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 40003⤵
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/852-114-0x00000000009E0000-0x00000000009E2000-memory.dmp
memory/852-116-0x00000000009E6000-0x00000000009E7000-memory.dmp
memory/852-115-0x00000000009E4000-0x00000000009E5000-memory.dmp
memory/852-118-0x00000000009EA000-0x00000000009EF000-memory.dmp
memory/852-117-0x00000000009E9000-0x00000000009EA000-memory.dmp