Analysis
- max time kernel
151s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 17:18
General
- Target STATEMENT[2022.01.19_17-49].xll
- Size 1.7MB
- Sample220119-vvpwpabghp
- SHA256 145b3b470c4f1367520230eeab5e60f1a602d365d0189f376be193965450d952
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 2 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\STATEMENT[2022.01.19_17-49].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\OracleResponsiveH.dll , dopt2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/544-152-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3844-134-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-138-0x00007FFDDCF90000-0x00007FFDDCFA0000-memory.dmp
memory/3844-137-0x00007FFDDCF90000-0x00007FFDDCFA0000-memory.dmp
memory/3844-130-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-133-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-132-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-131-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-174-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-175-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-176-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp
memory/3844-177-0x00007FFDDF090000-0x00007FFDDF0A0000-memory.dmp