Analysis
- max time kernel
122s - max time network
139s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
27/01/2022, 01:08
General
- Target b47c88fd74a78d1125de7b06893861c0.xll
- Size 1.7MB
- Sample220127-bg8xvsdef9
- SHA256 113fa9ae34480ab1f6b091d8928b9716a4e7dffeb3c9c47129ed249af762b47a
Malware Config
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
- 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\b47c88fd74a78d1125de7b06893861c0.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\JavaObjectReflectD.dll , dopt2⤵
- Process spawned unexpected child process
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2508-119-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-128-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp
memory/2508-129-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp
memory/2508-115-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-118-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-117-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-116-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-277-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-278-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-279-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/2508-280-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp
memory/3580-259-0x0000000180000000-0x000000018003C000-memory.dmp