Analysis
- max time kernel
109s - max time network
152s - platform
windows10_x64 - resource
win10v20210410 - submitted
06/07/2021, 17:36
General
- Target file.doc
- Size 901KB
- Sample210706-r6k4zz2wva
- SHA256 6fd21392a247d3f5cc83de50e1006010c438b609158ac5e7b6408627fdd4aa0b
Malware Config
Signatures
- Hancitor
Hancitor is downloader used to deliver other malware families.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Blocklisted process makes network request 3 IoCs
- Loads dropped DLL 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- NTFS ADS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 14 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\file.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll,UBISYAYMQSE2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll,UBISYAYMQSE3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/508-122-0x00007FF969780000-0x00007FF96A86E000-memory.dmp
memory/508-117-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp
memory/508-119-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp
memory/508-118-0x00007FF9704A0000-0x00007FF972FC3000-memory.dmp
memory/508-114-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp
memory/508-123-0x00007FF967880000-0x00007FF969775000-memory.dmp
memory/508-116-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp
memory/508-115-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp
memory/3388-184-0x00000000006B0000-0x00000000006B1000-memory.dmp