Analysis
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max time kernel
133s -
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
11-11-2024 17:42
Behavioral task
behavioral1
Sample
10f3e425615b3c4b3f10fed7215c5a070abcd31b21e839d5e05ad652d128b11e.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
10f3e425615b3c4b3f10fed7215c5a070abcd31b21e839d5e05ad652d128b11e.xlsm
Resource
win10v2004-20241007-en
General
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Target
10f3e425615b3c4b3f10fed7215c5a070abcd31b21e839d5e05ad652d128b11e.xlsm
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Size
30KB
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MD5
1f0eda9cd962ec899d52ddeab33b27a5
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SHA1
8aa6242b4c2a6844609b2e3820ce4e747ac5eadd
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SHA256
10f3e425615b3c4b3f10fed7215c5a070abcd31b21e839d5e05ad652d128b11e
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SHA512
e55425b5dafa1a1f517447633d34b94d132e8e74aa007b030bb2701cb20706db36bb32473c38a9ac7e00f2f9d4858265ba853c2721f7d459eae8728662f11dc5
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SSDEEP
384:LwdAZPFhNjUA7icg0SCdiVAg2GKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5NGE6h:cdwFhNbiH2rndFfPdkqstJNGE6h
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 4720 4332 regsvr32.exe 82 -
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 4332 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4332 EXCEL.EXE 4332 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE 4332 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4332 wrote to memory of 4720 4332 EXCEL.EXE 89 PID 4332 wrote to memory of 4720 4332 EXCEL.EXE 89 PID 4332 wrote to memory of 4720 4332 EXCEL.EXE 89
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\10f3e425615b3c4b3f10fed7215c5a070abcd31b21e839d5e05ad652d128b11e.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:4332 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4720
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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
Filesize671B
MD5cff067e3ac62a4d9f71295c5ffdcac0a
SHA1dc998ee40eba2d8872962f0e46af21344c9b83ff
SHA256b0483a6c682b56461c59b131441df0566eb4c1ca908f853ae030e4bd5d4326a6
SHA512c6da76a0e5c9150ac7806eea3cccbf9fafac0adcc1b072c873c9a42a752d8b9da26253e8d0307669b427f77bb227af04fdbf99e40e9bd56cfcb66e6d434e4b18
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Filesize
23KB
MD54ed8ca5542b641fddd200acebadf4e3c
SHA141fd7fb6cb84805fbc229cbf13620f80a5008003
SHA2563f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a