Analysis
- max time kernel
131s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
18/01/2022, 14:57
General
- Target 01ea2c69d47d224f6e1e15207aa1d8c8.xll
- Size 1.7MB
- Sample220118-sbk3aabfe6
- SHA256 74111ea2672178a41bb598c8d4239790c37ce0be77ae2f38106f258fd89a38c0
Malware Config
Extracted
-
xlm4.0
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\01ea2c69d47d224f6e1e15207aa1d8c8.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\JavaObjectReflectiveY.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/460-134-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-137-0x00007FF8A4630000-0x00007FF8A4640000-memory.dmp
memory/460-138-0x00007FF8A4630000-0x00007FF8A4640000-memory.dmp
memory/460-130-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-133-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-132-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-131-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-174-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-175-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-176-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/460-177-0x00007FF8A6690000-0x00007FF8A66A0000-memory.dmp
memory/3128-152-0x0000000180000000-0x000000018003C000-memory.dmp