Analysis
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max time kernel
149s -
max time network
150s -
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 00:54
Behavioral task
behavioral1
Sample
63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1.xlsm
Resource
win10v2004-20241007-en
General
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Target
63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1.xlsm
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Size
38KB
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MD5
ffbe9c5409f366da195e5f9e887ac4c8
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SHA1
50036cb05319165c87ca76afee0762b1c5d78634
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SHA256
63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1
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SHA512
afc85414078ad52acabd86a621afdab42635effcb5f1e49923b234c11e0e39e07efa5f121b61f0c3b327b359a0132cc590e2e2ebcc6d4eb467863d0bcc058ee7
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SSDEEP
768:6mcXd/GCR8tijOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFs:6mqTeSOZZ1ZYpoQ/pMAeVIyTCR
Malware Config
Extracted
https://www.berekethaber.com/dosyalar/4MZnNVw8Z/
https://damjangro.org/data/IlBcH2mM/
https://actwell.fr/logs/cGx7Ll6CB2k0NLWDTcL/
Signatures
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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 4728 4616 regsvr32.exe 81 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4616 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4616 EXCEL.EXE 4616 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE 4616 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4616 wrote to memory of 4728 4616 EXCEL.EXE 86 PID 4616 wrote to memory of 4728 4616 EXCEL.EXE 86 PID 4616 wrote to memory of 4728 4616 EXCEL.EXE 86
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1.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:4616 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD53311516013f17a605e7224ba776dfd8b
SHA1b56b07c60722c43832571b1ff0f8609e1bd1f7df
SHA25692440da26f98b48c41bfaf4f1d695a825e9c2f803423ffafa2939a5a471fb7ce
SHA512e9767218325fe493181a325430a4c1e1bbf4bb6026b1c9f31355d0c91e856b9d636ccdfcda1a12ecd4d00f3bbd8e2c7985a146b3346ba573f0f56449525acfe3