Analysis
- max time kernel
168s - max time network
181s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
11/05/2022, 20:21
General
- Target Ace-mexico.xls
- Size 40KB
- Sample220511-y4y3hahfa6
- SHA256 cb1e2bebe4a60f5fc9f44cce7962ed1ade2a297faadf66d1e59a7d0062d1ebfd
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
http://easiercommunications.com/wp-content/w/
-
xlm40.dropper
http://dulichdichvu.net/libraries/QhtrjCZymLp5EbqOdpKk/
Signatures
- Emotet
Emotet is a trojan that is primarily spread through spam emails.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
- 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 2 IoCs
- Suspicious use of SetWindowsHookEx 13 IoCs
- Suspicious use of WriteProcessMemory 4 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\Ace-mexico.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\wurod.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\GNQveVjBKckrNSO\rTcdSGpELDl.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
wurod.ocx
wurod.ocx
rTcdSGpELDl.dll
memory/688-140-0x0000000180000000-0x0000000180030000-memory.dmp
memory/2320-131-0x00007FF89C9D0000-0x00007FF89C9E0000-memory.dmp
memory/2320-136-0x00007FF89A150000-0x00007FF89A160000-memory.dmp
memory/2320-135-0x00007FF89A150000-0x00007FF89A160000-memory.dmp
memory/2320-130-0x00007FF89C9D0000-0x00007FF89C9E0000-memory.dmp
memory/2320-134-0x00007FF89C9D0000-0x00007FF89C9E0000-memory.dmp
memory/2320-132-0x00007FF89C9D0000-0x00007FF89C9E0000-memory.dmp
memory/2320-133-0x00007FF89C9D0000-0x00007FF89C9E0000-memory.dmp