Analysis
- max time kernel
149s - max time network
152s - platform
windows10_x64 - resource
win10v20210410 - submitted
03/05/2021, 05:54
General
- Target Request quote May 2021 (Site - 580) projec00349305934067565334_PDF.exe
- Size 2.1MB
- Sample210503-jxan5ebxfe
- SHA256 cab2c0c7d8cb30d77bcd469e52357f584077fbd35517f7c6a6886f42e729cc47
Malware Config
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- BitRAT Payload 1 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Uses the VBS compiler for execution 1 TTPs
- 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Request quote May 2021 (Site - 580) projec00349305934067565334_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Request quote May 2021 (Site - 580) projec00349305934067565334_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fkHgkEPXb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0B3.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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/1348-131-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1348-127-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2232-121-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/2232-120-0x0000000005680000-0x0000000005B7E000-memory.dmp
memory/2232-114-0x0000000000B40000-0x0000000000B41000-memory.dmp
memory/2232-122-0x0000000005B70000-0x0000000005B7E000-memory.dmp
memory/2232-123-0x0000000007ED0000-0x00000000080CB000-memory.dmp
memory/2232-124-0x000000000B600000-0x000000000B7AD000-memory.dmp
memory/2232-119-0x0000000005570000-0x0000000005571000-memory.dmp
memory/2232-118-0x0000000005680000-0x0000000005681000-memory.dmp
memory/2232-117-0x0000000005B80000-0x0000000005B81000-memory.dmp
memory/2232-116-0x00000000055E0000-0x00000000055E1000-memory.dmp