Analysis
-
max time kernel
116s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
19-04-2022 04:25
Behavioral task
behavioral1
Sample
?i=1ynrmaxlo.xlsm
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
?i=1ynrmaxlo.xlsm
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
?i=1ynrmaxlo.xlsm
-
Size
83KB
-
MD5
597e9be00a6e6597e041ea986dac1252
-
SHA1
ec554fff3d8d0d18de86a1def864340963afb925
-
SHA256
eb3e8690d152148f0bc7d306065ba030410ba35eb5e672f09041b20cf000ee4f
-
SHA512
6cb5570a2394704f0e30c8dc9cabec9b1b5451e5035f9c0532e74ff951bd824f02f943325d41dfd56a9de1b85b816d24182aa35f75062e736809d9fb06bc59cb
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://mammy-chiro.com/case/ZTkBzbz/
xlm40.dropper
http://bluetoothheadsetreview.xyz/wp-includes/xmdHAGgfki/
xlm40.dropper
http://topline36.xyz/wp-includes/css/BB9Ajvjs89U9O/
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.
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 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 4828 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 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\_i=1ynrmaxlo.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4828