Analysis
- max time kernel
145s - max time network
135s - platform
windows10_x64 - resource
win10v20210410 - submitted
14/04/2021, 18:30
General
- Target 0414_1906406106610.doc
- Size 855KB
- Sample210414-hmfcg569g2
- SHA256 2660efbe253523dcaee2e6fdd7da208e084b4ed8cf7e59906a2e3e83a303d087
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 2 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 7 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\0414_1906406106610.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\word\startup\edge.dll,CYWPWFGPNKV2⤵
- 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\word\startup\edge.dll,CYWPWFGPNKV3⤵
- 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/2256-117-0x00007FFF9B3D0000-0x00007FFF9B3E0000-memory.dmp
memory/2256-118-0x00007FFFBD360000-0x00007FFFBFE83000-memory.dmp
memory/2256-122-0x00007FFFB6BB0000-0x00007FFFB7C9E000-memory.dmp
memory/2256-123-0x00007FFFB4CB0000-0x00007FFFB6BA5000-memory.dmp
memory/2256-119-0x00007FFF9B3D0000-0x00007FFF9B3E0000-memory.dmp
memory/2256-114-0x00007FFF9B3D0000-0x00007FFF9B3E0000-memory.dmp
memory/2256-116-0x00007FFF9B3D0000-0x00007FFF9B3E0000-memory.dmp
memory/2256-115-0x00007FFF9B3D0000-0x00007FFF9B3E0000-memory.dmp
memory/3304-184-0x0000000000190000-0x0000000000191000-memory.dmp