Analysis
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max time kernel
133s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 17:40
Behavioral task
behavioral1
Sample
d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec.xlsm
Resource
win10v2004-20241007-en
General
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Target
d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec.xlsm
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Size
30KB
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MD5
ba544c881abc657bdc85994cf6354e53
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SHA1
0d58711964549bcb18903a8592ac5ec6aafc8a6a
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SHA256
d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec
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SHA512
4c0c441fd4d87cd2f6efa7144e7c5fb2ae1c8c67c56fa92776805b2adc34ff2a96a8a0db59d60f21e0d2c018792efe4e024a9228f3b0209e638b44bde146d622
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SSDEEP
384:bwdAZPFhNjUA7icg0SCdiVAg2GKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5NGE6h:sdwFhNbiH2rndFfPdkqstJNGE6h
Malware Config
Extracted
http://www.ajaxmatters.com/c7g8t/hAQX/
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 620 1080 regsvr32.exe 84 -
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 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 1080 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1080 EXCEL.EXE 1080 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1080 wrote to memory of 620 1080 EXCEL.EXE 91 PID 1080 wrote to memory of 620 1080 EXCEL.EXE 91 PID 1080 wrote to memory of 620 1080 EXCEL.EXE 91
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\d3592e74ae6782a68ae77bddb4829989f92508f3c098614c14e2ac5ef0588bec.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:1080 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:620
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize3KB
MD5278d74fd4289d085cfbe359a67ebd845
SHA13612c2032b54d673fb4e3da53c995877b6dcc001
SHA256cf27b74b6c6f59422bdaf1cdf4cd261aee875188e45b1bd1c8ec46726d944061
SHA512f25522b830ec4681b8fb83d353f7b953cb638c3e022980fcef9f85be1665ffe5594e3c9e98794b9ff9ad4f95c010800bc65949c2ddbdbb82a55a1c0ede75917c
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Filesize
23KB
MD54ed8ca5542b641fddd200acebadf4e3c
SHA141fd7fb6cb84805fbc229cbf13620f80a5008003
SHA2563f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a