Analysis
- max time kernel
118s - max time network
126s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
28/12/2021, 09:50
General
- Target 12072020_586621_2778869.xlsm
- Size 44KB
- Sample211228-lt2dnadfg2
- SHA256 f4c15b1eee06d45fa6115ddcfeb24bdacf54570352e0cb713e1c5895089dae1d
Malware Config
Extracted
-
vba
-
vba.dropper
https://areeba.eci7.com/vy9p4l9.rar
-
vba.dropper
https://rickyg.co.uk/qsmpbl.zip
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vba.dropper
https://sortl.in/stdvqdtwy.zip
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vba.dropper
https://codei10.com/u0q9mfmnr.rar
-
vba.dropper
https://accounts.mytaphouse.com/gclee4.zip
-
vba.dropper
https://cursosuaslp.com/ae824x.zip
-
vba.dropper
https://mymilld.com/ey9zfztry.rar
-
vba.dropper
https://akbuildersdelhi.com/iknk4n0.zip
-
vba.dropper
https://maisondalbon.com/h8w1s9p5.zip
-
vba.dropper
https://partnerinyourprogress.com/fc5y76c.rar
Extracted
-
xlm4.0
-
xlm40.dropper
https://cursosuaslp.com/ae824x.zip
Signatures
- Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
- 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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\12072020_586621_2778869.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 47122⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47123⤵
- Suspicious behavior: EnumeratesProcesses
-
-
-
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3716-115-0x00007FF969B20000-0x00007FF969B30000-memory.dmp
memory/3716-116-0x00007FF969B20000-0x00007FF969B30000-memory.dmp
memory/3716-117-0x00007FF969B20000-0x00007FF969B30000-memory.dmp
memory/3716-118-0x00007FF969B20000-0x00007FF969B30000-memory.dmp
memory/3716-119-0x00007FF969B20000-0x00007FF969B30000-memory.dmp
memory/3716-121-0x000002D1B24D0000-0x000002D1B24D2000-memory.dmp
memory/3716-120-0x000002D1B24D0000-0x000002D1B24D2000-memory.dmp
memory/3716-122-0x000002D1B24D0000-0x000002D1B24D2000-memory.dmp
memory/3716-274-0x000002D1C55A0000-0x000002D1C55A4000-memory.dmp