Analysis
- max time kernel
149s - max time network
191s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
07/02/2022, 19:16
General
- Target tmpoojl824a.xls
- Size 129KB
- Sample220207-xys4magaa4
- SHA256 2eaa0632f5635d9f12a7c0f508a8b11f877fccdf2ecb4ce05abf613985082e06
Score
4/10
Malware Config
Signatures
- Drops file in Windows directory 7 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 9 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\tmpoojl824a.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
-
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/116-137-0x000001CAF1540000-0x000001CAF1550000-memory.dmp
memory/116-138-0x000001CAF15A0000-0x000001CAF15B0000-memory.dmp
memory/1820-359-0x00000180136D0000-0x00000180136D4000-memory.dmp
memory/3240-130-0x00007FF7E4870000-0x00007FF7E4880000-memory.dmp
memory/3240-131-0x00007FF7E4870000-0x00007FF7E4880000-memory.dmp
memory/3240-132-0x00007FF7E4870000-0x00007FF7E4880000-memory.dmp
memory/3240-133-0x00007FF7E4870000-0x00007FF7E4880000-memory.dmp
memory/3240-134-0x00007FF7E4870000-0x00007FF7E4880000-memory.dmp
memory/3240-135-0x00007FF7E1FF0000-0x00007FF7E2000000-memory.dmp
memory/3240-136-0x00007FF7E1FF0000-0x00007FF7E2000000-memory.dmp