Analysis
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max time kernel
155s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20220722-en -
resource tags
arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 07:38
Static task
static1
Behavioral task
behavioral1
Sample
NIPPO ORDER.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
NIPPO ORDER.xlsx
Resource
win10v2004-20220721-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20220715-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20220722-en
General
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Target
decrypted.xlsx
-
Size
91KB
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MD5
6e2d988127e8d006234c10131bcdf584
-
SHA1
6140ef0d98e1ab6a5d174bbb8caa5cb476e56ce9
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SHA256
4cae39f6d7c86b0494b6650ac04c96be8433a73daa747ca109f5f7dbac613be9
-
SHA512
b1425eb7bc7d30923f1ae91dcdd347046dc611e143e9746d59fe4b6da25e710422c13c26a8d07aae688dd60b417af837693d384cf523a86ad0ff2a4884951fc0
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 5012 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE 5012 EXCEL.EXE
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\decrypted.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5012