Overview
overview
10Static
static
10Challenge_...m.docx
windows7-x64
4Challenge_...m.docx
windows10-2004-x64
1Challenge_...1.docx
windows7-x64
4Challenge_...1.docx
windows10-2004-x64
1Challenge_...y.docx
windows7-x64
4Challenge_...y.docx
windows10-2004-x64
1Challenge_...1.docx
windows7-x64
4Challenge_...1.docx
windows10-2004-x64
1tools/numb...ing.py
ubuntu-18.04-amd64
1tools/numb...ing.py
debian-9-armhf
1tools/numb...ing.py
debian-9-mips
1tools/numb...ing.py
debian-9-mipsel
1oledump.py
ubuntu-18.04-amd64
1oledump.py
debian-9-armhf
1oledump.py
debian-9-mips
1oledump.py
debian-9-mipsel
1plugin_biff.py
ubuntu-18.04-amd64
1plugin_biff.py
debian-9-armhf
1plugin_biff.py
debian-9-mips
1plugin_biff.py
debian-9-mipsel
1plugin_clsid.py
ubuntu-18.04-amd64
1plugin_clsid.py
debian-9-armhf
1plugin_clsid.py
debian-9-mips
1plugin_clsid.py
debian-9-mipsel
1plugin_dridex.py
ubuntu-18.04-amd64
1plugin_dridex.py
debian-9-armhf
1plugin_dridex.py
debian-9-mips
1plugin_dridex.py
debian-9-mipsel
1plugin_hifo.py
ubuntu-18.04-amd64
1plugin_hifo.py
debian-9-armhf
1plugin_hifo.py
debian-9-mips
1plugin_hifo.py
debian-9-mipsel
1Analysis
- max time kernel
144s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
17/02/2024, 23:18
Static task
static1
Behavioral task
behavioral1
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
tools/numbers-to-string.py
Resource
ubuntu1804-amd64-20231221-en
Behavioral task
behavioral10
Sample
tools/numbers-to-string.py
Resource
debian9-armhf-20231222-en
Behavioral task
behavioral11
Sample
tools/numbers-to-string.py
Resource
debian9-mipsbe-20231215-en
Behavioral task
behavioral12
Sample
tools/numbers-to-string.py
Resource
debian9-mipsel-20231215-en
Behavioral task
behavioral13
Sample
oledump.py
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral14
Sample
oledump.py
Resource
debian9-armhf-20231221-en
Behavioral task
behavioral15
Sample
oledump.py
Resource
debian9-mipsbe-20231222-en
Behavioral task
behavioral16
Sample
oledump.py
Resource
debian9-mipsel-20231215-en
Behavioral task
behavioral17
Sample
plugin_biff.py
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral18
Sample
plugin_biff.py
Resource
debian9-armhf-20231215-en
Behavioral task
behavioral19
Sample
plugin_biff.py
Resource
debian9-mipsbe-20231222-en
Behavioral task
behavioral20
Sample
plugin_biff.py
Resource
debian9-mipsel-20231221-en
Behavioral task
behavioral21
Sample
plugin_clsid.py
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral22
Sample
plugin_clsid.py
Resource
debian9-armhf-20231215-en
Behavioral task
behavioral23
Sample
plugin_clsid.py
Resource
debian9-mipsbe-20231215-en
Behavioral task
behavioral24
Sample
plugin_clsid.py
Resource
debian9-mipsel-20231221-en
Behavioral task
behavioral25
Sample
plugin_dridex.py
Resource
ubuntu1804-amd64-20231222-en
Behavioral task
behavioral26
Sample
plugin_dridex.py
Resource
debian9-armhf-20231215-en
Behavioral task
behavioral27
Sample
plugin_dridex.py
Resource
debian9-mipsbe-20231222-en
Behavioral task
behavioral28
Sample
plugin_dridex.py
Resource
debian9-mipsel-20231221-en
Behavioral task
behavioral29
Sample
plugin_hifo.py
Resource
ubuntu1804-amd64-20231215-en
Behavioral task
behavioral30
Sample
plugin_hifo.py
Resource
debian9-armhf-20231215-en
Behavioral task
behavioral31
Sample
plugin_hifo.py
Resource
debian9-mipsbe-20231221-en
Behavioral task
behavioral32
Sample
plugin_hifo.py
Resource
debian9-mipsel-20231215-en
General
- Target Challenge_FIles/Employee_W2_Form.docx
- Size 12KB
- Sample240217-3almjacb64
- SHA256 679bbe0c50754853978a3a583505ebb99bce720cf26a6aaf8be06cd879701ff1
- MD5 45e7d6562bfddb816d45649dd667abde
- SHA1 00087e46ec0ef6225de59868fd016bd9dd77fa3c
- SHA512 0567873b42eece93787da4f4c3b72ecb0d952450d8eb59b354a5f91ed95395a2662171e05cdcf4a829fdbd0b5cbcca97701fef9b96b1ad0d8728922bbd0288fa
- SSDEEP 192:f6ijVmar18H111M05AgPekrFD2h0vsmyVk7PeOJ2wc3rMKkokceeQh:f6ijca6H111/eo1hvsHieIhoseQh
- MD5 SHA1 SHA512 SSDEEP
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 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\mhtml:arsenal.30cm.tw:1212\word.html!x-usc:arsenal.30cm.tw:1212\word.html WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2276 WINWORD.EXE 2276 WINWORD.EXE - Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2276 WINWORD.EXE 2276 WINWORD.EXE 2276 WINWORD.EXE 2276 WINWORD.EXE 2276 WINWORD.EXE 2276 WINWORD.EXE 2276 WINWORD.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\Employee_W2_Form.docx" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2276