Analysis
- max time kernel
131s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 00:14
General
- Target 9cc7d65402daa75068c6b5a0386c556f.xll
- Size 1.7MB
- Sample220119-ajcf1aebf4
- SHA256 3e4533d0e092a0a8c35ea248153062fe54e1a38a4aea9b627de619ad53fe90b3
Malware Config
Extracted
-
xlm4.0
Signatures
- Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Bazar/Team9 Loader payload 1 IoCs
- Blocklisted process makes network request 1 IoCs
- Loads dropped DLL 3 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 use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 2 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\9cc7d65402daa75068c6b5a0386c556f.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\rundll32.exerundll32 C:\Users\Admin\JavaObjectReflectV.dll , dopt2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2084-154-0x0000000180000000-0x000000018003C000-memory.dmp
memory/2816-134-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-138-0x00007FFCC1470000-0x00007FFCC1480000-memory.dmp
memory/2816-137-0x00007FFCC1470000-0x00007FFCC1480000-memory.dmp
memory/2816-130-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-133-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-131-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-132-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-174-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-175-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-176-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp
memory/2816-177-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp