Analysis
- max time kernel
131s - max time network
142s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
19/01/2022, 09:23
General
- Target 9bfe3e664dea6ec4c143d6beb35b7cef737163ee64f78e06e4d779859c046138.xll
- Size 1.7MB
- Sample220119-lcjghsgfa8
- SHA256 9bfe3e664dea6ec4c143d6beb35b7cef737163ee64f78e06e4d779859c046138
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
- 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\9bfe3e664dea6ec4c143d6beb35b7cef737163ee64f78e06e4d779859c046138.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
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Downloads
memory/684-121-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-128-0x00007FFCAD840000-0x00007FFCAD850000-memory.dmp
memory/684-129-0x00007FFCAD840000-0x00007FFCAD850000-memory.dmp
memory/684-115-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-118-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-117-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-116-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-289-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-290-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-291-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/684-292-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp
memory/2028-269-0x0000000180000000-0x000000018003C000-memory.dmp