Analysis
-
max time kernel
143s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 07:10
Static task
static1
Behavioral task
behavioral1
Sample
2cd62d578abb738b28857caff42e6be5.doc
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2cd62d578abb738b28857caff42e6be5.doc
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20231215-en
General
-
Target
decrypted.xlsx
-
Size
1.2MB
-
MD5
ee684c6f44d26642dd8a0443ac0cb38b
-
SHA1
9ec87d9f2174a2957a079b5a4db5d8036274194f
-
SHA256
c02360214b522df93e820c5fc1fa051dceb6238f800b8bc3cb4f652ad40327ec
-
SHA512
5f1a233b10389f8540e925271f388136ebe56a2b40e30d77742ab7e78694b519140e2f8e92584bfa857e5e10630c2bea124b6065a15ff7de2cb815b273368da2
-
SSDEEP
24576:gaG/GeNbWt+ltNTQBNB66LUDI8hB11+3VAcnbVk:G/GIbk+tuJUDIg1KAcn2
Malware Config
Signatures
-
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 2036 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2036 EXCEL.EXE 2036 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
-
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\decrypted.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2036