Analysis
- max time kernel
146s - max time network
151s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
22/01/2022, 11:56
General
- Target d6c5958b3428b877f04dbfe926d80823e014e182b2cda18c0b0e9f2fde835d44.xll
- Size 1.7MB
- Sample220122-n34lgsagd5
- SHA256 d6c5958b3428b877f04dbfe926d80823e014e182b2cda18c0b0e9f2fde835d44
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\d6c5958b3428b877f04dbfe926d80823e014e182b2cda18c0b0e9f2fde835d44.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\JavaObjectReflectiveZ.dll , dopt2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2668-119-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-128-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp
memory/2668-129-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp
memory/2668-115-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-118-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-117-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-116-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-277-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-278-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-279-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/2668-280-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp
memory/3496-259-0x0000000180000000-0x000000018003C000-memory.dmp