Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
18/01/2022, 23:48
General
- Target 6a92b399a57b116300b9f24863d756b8.xll
- Size 1.7MB
- Sample220118-3tfwdseac5
- SHA256 f7a45008c19652c6e48896a7b5abec6c33baff2f663f72457e4efac3e95c48e8
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\6a92b399a57b116300b9f24863d756b8.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\JavaObjectReflectiveS.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/3244-158-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3324-134-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-144-0x00007FFC69D90000-0x00007FFC69DA0000-memory.dmp
memory/3324-143-0x00007FFC69D90000-0x00007FFC69DA0000-memory.dmp
memory/3324-130-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-133-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-132-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-131-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-181-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-182-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-183-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp
memory/3324-184-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp