Analysis
- max time kernel
60s - max time network
100s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
07/02/2022, 21:38
General
- Target tmpy41x21as.xls
- Size 123KB
- Sample220207-1g3taaaab2
- SHA256 482575aa74c843151e0d2c4a80dff647a6bcee7bd74929f4df5ac81459c2766b
Score
4/10
Malware Config
Signatures
- Drops file in Windows directory 6 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
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 8 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\tmpy41x21as.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1612-130-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp
memory/1612-132-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp
memory/1612-131-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp
memory/1612-133-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp
memory/1612-134-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp
memory/1612-135-0x00007FFF57130000-0x00007FFF57140000-memory.dmp
memory/1612-136-0x00007FFF57130000-0x00007FFF57140000-memory.dmp
memory/4232-157-0x0000013731940000-0x0000013731944000-memory.dmp
memory/5024-137-0x000002D8941A0000-0x000002D8941B0000-memory.dmp
memory/5024-144-0x000002D897120000-0x000002D897124000-memory.dmp