Analysis
-
max time kernel
133s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 00:33
Behavioral task
behavioral1
Sample
3d6aebff86bef4deafaf3c137e66cf549c9d154cd7c2b8ae319d2a40b467553e.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3d6aebff86bef4deafaf3c137e66cf549c9d154cd7c2b8ae319d2a40b467553e.xlsm
Resource
win10v2004-20241007-en
General
-
Target
3d6aebff86bef4deafaf3c137e66cf549c9d154cd7c2b8ae319d2a40b467553e.xlsm
-
Size
40KB
-
MD5
3f507ce3f7659f56444aaaa005ca9c78
-
SHA1
551cfc352d29137ce685d0bc76dc32cd9216437a
-
SHA256
3d6aebff86bef4deafaf3c137e66cf549c9d154cd7c2b8ae319d2a40b467553e
-
SHA512
d6a82c67c808fe2daedbb0c65a69c56b73c80490838456eb1b09cc4d079a7f820b8d124c4a3da05206e03200c20653d974b32433f3f0068e865e2c58b70dac61
-
SSDEEP
768:iknyGomihd8DOevZCwtCyKfcrND59V+L9Rw4eWrXcTqZ0Vfs3GTE:aGom8eDmylND59V4jwmXc2CVfs37
Malware Config
Extracted
https://wellnessonus.com/wp-admin/OFq5F8Y/
http://choicepestcontrol.xyz/wellknown/PERKnM4X/
https://sse-studio.com/cq0xhpj/6pmmsaPCOGtG6/
http://velasaromaticasonline.com/wp-admin/5Id5LqSb3O3BUM5Z/
https://alonsoconsultancyservice.com/wp-content/0r7tMAnLfwKu0gvcH/
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 704 1264 regsvr32.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 1264 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1264 EXCEL.EXE 1264 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE 1264 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1264 wrote to memory of 704 1264 EXCEL.EXE 93 PID 1264 wrote to memory of 704 1264 EXCEL.EXE 93 PID 1264 wrote to memory of 704 1264 EXCEL.EXE 93
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\3d6aebff86bef4deafaf3c137e66cf549c9d154cd7c2b8ae319d2a40b467553e.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\dan.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:704
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD517e9bd8c6f6f618d6e982be41808b10a
SHA14527d899e97dc1b50f0a390ce6cba387d5a04704
SHA25655e76063c4b61835df28d197c8600de3181c21f65b17a8f078d1c77496a81109
SHA512f855ba0ef307e581ca60016137d523fd7fc565f1fc82e213820ccf253e36d616544f3f97bcaa9f9731a601b7cfe824895ee39751b6f802c0e03b0c285c45359b