Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 13:56
Behavioral task
behavioral1
Sample
be91cd909abe9af02e09f4d3918f982d3c8a6426479b8661c38fd3ba4ed37c66.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
be91cd909abe9af02e09f4d3918f982d3c8a6426479b8661c38fd3ba4ed37c66.xlsm
Resource
win10v2004-20241007-en
General
-
Target
be91cd909abe9af02e09f4d3918f982d3c8a6426479b8661c38fd3ba4ed37c66.xlsm
-
Size
29KB
-
MD5
518d59320ac5c5bb379bbe0b32376e1f
-
SHA1
ca23f8bf8823217d522f6c3c56d66c43b5c2ab80
-
SHA256
be91cd909abe9af02e09f4d3918f982d3c8a6426479b8661c38fd3ba4ed37c66
-
SHA512
6a31e152bd82486b063c38373d9c82f4e33ff2ee743874058c59c8c39c0126a70d8639bb998ac89378e5dd657186c90c1c1ba00a4c72e1787a60b3f5c66db6aa
-
SSDEEP
384:RvANFOv+7UaivQ2BNZJibbwBUA6+h4wyqJeAqcctU1jrYsu8HP7jFFtCvI:ZqUtVNZAXby9y+cccS1AsuIjxl
Malware Config
Extracted
https://iqraacfindia.org/wp-admin/dG/
https://he.adar-and-ido.com/wp-admin/xk7D/
https://www.digigoal.fr/wp-admin/VfU0aIj/
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 876 4812 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4812 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4812 EXCEL.EXE 4812 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4812 wrote to memory of 876 4812 EXCEL.EXE 87 PID 4812 wrote to memory of 876 4812 EXCEL.EXE 87 PID 4812 wrote to memory of 876 4812 EXCEL.EXE 87
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\be91cd909abe9af02e09f4d3918f982d3c8a6426479b8661c38fd3ba4ed37c66.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:4812 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\whxc.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:876
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
7KB
MD5ef72a58ea81d84f65a7b20dbee6d0323
SHA1b4799070b7b4188f37f0d78a8ff9ba38a7cc1e34
SHA256b4c2f20aec4feba1478a07529afdccfa13f351224c08c645727fc7acec6c9d8a
SHA512d97dbf9841778c4111a3faad38e4cb660cbc172b921e605398548034b557b38dead0876ca50d804865d7d19a6d18c8d2449949280dde51de9e0d76cc58c3f8eb