Analysis
- max time kernel
120s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 00:00
General
- Target 13bc88ede0b07077de8c91f1d552939b.xll
- Size 1.7MB
- Sample220119-aaf3tsebcp
- SHA256 9bfe3e664dea6ec4c143d6beb35b7cef737163ee64f78e06e4d779859c046138
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 4 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\13bc88ede0b07077de8c91f1d552939b.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\JavaObjectReflectY.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/2280-134-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-137-0x00007FFEFEF50000-0x00007FFEFEF60000-memory.dmp
memory/2280-138-0x00007FFEFEF50000-0x00007FFEFEF60000-memory.dmp
memory/2280-130-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-133-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-132-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-131-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-174-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-175-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-176-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/2280-177-0x00007FFF018B0000-0x00007FFF018C0000-memory.dmp
memory/3968-152-0x0000000180000000-0x000000018003C000-memory.dmp