Analysis
- max time kernel
144s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 10:58
General
- Target FF-1642589841.xll
- Size 1.7MB
- Sample220119-m2z18shcaq
- SHA256 465f6c30e884e9422573f39388e9aff5709c40301baf83369bffac32a797bb4d
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
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\FF-1642589841.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\JavaObjectReflectH.dll , dopt2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3272-152-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3708-130-0x00007FFC21BB0000-0x00007FFC21BC0000-memory.dmp
memory/3708-132-0x00007FFC21BB0000-0x00007FFC21BC0000-memory.dmp
memory/3708-131-0x00007FFC21BB0000-0x00007FFC21BC0000-memory.dmp
memory/3708-133-0x00007FFC21BB0000-0x00007FFC21BC0000-memory.dmp
memory/3708-134-0x00007FFC21BB0000-0x00007FFC21BC0000-memory.dmp
memory/3708-137-0x00007FFC1F2F0000-0x00007FFC1F300000-memory.dmp
memory/3708-138-0x00007FFC1F2F0000-0x00007FFC1F300000-memory.dmp