Analysis
-
max time kernel
131s -
max time network
130s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 12:24
Behavioral task
behavioral1
Sample
3e032ba51d442c17fdb632232b8f8a9c753149e7d8fe7549f62896d198204fb0.xlsm
Resource
win10-en-20211208
General
-
Target
3e032ba51d442c17fdb632232b8f8a9c753149e7d8fe7549f62896d198204fb0.xlsm
-
Size
99KB
-
MD5
98f4038198355f274d46ae746096ed12
-
SHA1
4389d8846e42fda82475a8b215242634b27675c4
-
SHA256
3e032ba51d442c17fdb632232b8f8a9c753149e7d8fe7549f62896d198204fb0
-
SHA512
434cf0eaaafbb834b46e54571402bfdf6e70fb3dab93616ec16cbff09fcb59755f80297e240d55875ed69732441bb6b934a4ebc1b62a1f10fff17ebce4d9668d
Malware Config
Extracted
http://avionxpress.com/lp/T9b1Bga4FdDfP5HI/
http://news.tapchivietkieu.info/wordpress/CJzFM/
http://monosun.net/wp-includes/JcDnYBSKpyfU/
Signatures
-
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2752 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 2752 EXCEL.EXE 2752 EXCEL.EXE 2752 EXCEL.EXE 2752 EXCEL.EXE 2752 EXCEL.EXE 2752 EXCEL.EXE 2752 EXCEL.EXE 2752 EXCEL.EXE
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\3e032ba51d442c17fdb632232b8f8a9c753149e7d8fe7549f62896d198204fb0.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2752-115-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-116-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-117-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-121-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-128-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmpFilesize
64KB
-
memory/2752-129-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmpFilesize
64KB
-
memory/2752-292-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-293-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-294-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB
-
memory/2752-295-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmpFilesize
64KB