Analysis
- max time kernel
120s - max time network
146s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
27/01/2022, 14:07
General
- Target e63bbea6b4610fda6d0d54a9ed4b49bc.xll
- Size 1.7MB
- Sample220127-rezt6sedf3
- SHA256 08bf0258a2a82e0ad674a14bcbbac2d84a61cbcb4b172d795ec128eb79831adb
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\e63bbea6b4610fda6d0d54a9ed4b49bc.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\JavaObjectReflectiveW.dll , dopt2⤵
- Process spawned unexpected child process
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1952-259-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3260-119-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-129-0x00007FFB36410000-0x00007FFB36420000-memory.dmp
memory/3260-128-0x00007FFB36410000-0x00007FFB36420000-memory.dmp
memory/3260-115-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-118-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-117-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-116-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-293-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-294-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-295-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp
memory/3260-296-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp