Analysis
- max time kernel
123s - max time network
137s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
22/01/2022, 12:17
General
- Target 18f5ade40bc5441aa11d03672f5a08e0b05e3fdeca5f2903a565ca7632d9e537.xll
- Size 1.7MB
- Sample220122-pggehaahb4
- SHA256 18f5ade40bc5441aa11d03672f5a08e0b05e3fdeca5f2903a565ca7632d9e537
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 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\18f5ade40bc5441aa11d03672f5a08e0b05e3fdeca5f2903a565ca7632d9e537.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\JavaObjectReflectI.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/2316-259-0x0000000180000000-0x000000018003C000-memory.dmp
memory/2732-119-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-129-0x00007FFEC4A30000-0x00007FFEC4A40000-memory.dmp
memory/2732-128-0x00007FFEC4A30000-0x00007FFEC4A40000-memory.dmp
memory/2732-115-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-118-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-117-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-116-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-277-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-278-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-279-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp
memory/2732-280-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp