Analysis
- max time kernel
195s - max time network
225s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
07/03/2022, 10:16
General
- Target adjunto 07032022.xlsm
- Size 29KB
- Sample220307-matedadbf6
- SHA256 d1468757aa12692737697a5aac9ddfd44c9aa6f9c6eecc39c8ac2ef6bfe11b81
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
http://janshabd.com/E33ZFv/
-
xlm40.dropper
http://amorespasalon.com/wp-admin/ZsK0FbGGLqNpmzL/
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Downloads MZ/PE file
- 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
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 9 IoCs
- Suspicious use of WriteProcessMemory 3 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\adjunto 07032022.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\dw.ocx2⤵
- Process spawned unexpected child process
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4272-152-0x0000019CB2560000-0x0000019CB2570000-memory.dmp
memory/4272-153-0x0000019CB4AD0000-0x0000019CB4AD4000-memory.dmp
memory/4272-151-0x0000019CB1B50000-0x0000019CB1B60000-memory.dmp
memory/4880-142-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-144-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-135-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-136-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-137-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-138-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-139-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-140-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-141-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-130-0x00007FF8D1FD0000-0x00007FF8D1FE0000-memory.dmp
memory/4880-143-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-134-0x00007FF8D1FD0000-0x00007FF8D1FE0000-memory.dmp
memory/4880-145-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-146-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-147-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-148-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-149-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-150-0x00007FF911F50000-0x00007FF912145000-memory.dmp
memory/4880-133-0x00007FF8D1FD0000-0x00007FF8D1FE0000-memory.dmp
memory/4880-131-0x00007FF8D1FD0000-0x00007FF8D1FE0000-memory.dmp
memory/4880-132-0x00007FF8D1FD0000-0x00007FF8D1FE0000-memory.dmp