Analysis
- max time kernel
148s - max time network
150s - platform
windows10_x64 - resource
win10v20210408 - submitted
29/07/2021, 13:21
General
- Target UpdatedHUD.exe
- Size 25KB
- Sample210729-bfmfa9nyxn
- SHA256 ef9e853a343f1d3588eeaf60c443add28e376fd97f3bc77309b8436349b60bb3
Malware Config
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- BitRAT Payload 3 IoCs
- suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
- Drops startup file 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 47 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe"C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c Copy "C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UpdatedHUD.exe"2⤵
- Drops startup file
-
-
C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe"C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe"C:\Users\Admin\AppData\Local\Temp\UpdatedHUD.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/532-119-0x0000000005350000-0x0000000005351000-memory.dmp
memory/532-126-0x0000000007D90000-0x0000000007D91000-memory.dmp
memory/532-118-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/532-114-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/532-120-0x0000000005200000-0x00000000056FE000-memory.dmp
memory/532-121-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/532-117-0x0000000005200000-0x0000000005201000-memory.dmp
memory/532-124-0x0000000007C80000-0x0000000007C81000-memory.dmp
memory/532-122-0x0000000006480000-0x0000000006687000-memory.dmp
memory/532-116-0x0000000005700000-0x0000000005701000-memory.dmp
memory/532-123-0x0000000006690000-0x0000000006691000-memory.dmp
memory/640-128-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/640-130-0x0000000000400000-0x00000000007CE000-memory.dmp