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Analysis
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max time kernel
133s -
max time network
143s -
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, 21:23
Behavioral task
behavioral1
Sample
02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.xlsm
Resource
win10v2004-20241007-en
General
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Target
02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.xlsm
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Size
30KB
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MD5
93bd5ed6362ed3ea3eb3d4429b62fd7c
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SHA1
2f544abdabdf1c951a8951343e0fea337fbda5cc
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SHA256
02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0
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SHA512
a1b6964dd207669a1ae31de5df8cd281e2c45c997606a908494cd37af87d765de87ab0ded07d9b6f4ef6e099464c456cb0d8f4029c7b5757d86aabf90560c39f
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SSDEEP
384:H842JZPFhNjtOA7icg0SCdiVH2KgUrNU/qWhZOdBNPJM+kqr9eCgh0k5M2E6v:AHFhNZliH2ydFfPdkqstJhE6v
Malware Config
Extracted
http://henrysfreshroast.com/6cc4ts0bkrOlXq/
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 2612 224 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 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 224 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 224 EXCEL.EXE 224 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 224 wrote to memory of 2612 224 EXCEL.EXE 94 PID 224 wrote to memory of 2612 224 EXCEL.EXE 94 PID 224 wrote to memory of 2612 224 EXCEL.EXE 94
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\02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.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:224 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2612
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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
Filesize1KB
MD5ae03a73f671d044237cc654810bf7469
SHA1cd0ad254212e5371cb107c13df565defbfa37cf6
SHA256d9f426956f3742eb648d724aa3265fcca19f625d7cdc33e5d8e809173431618a
SHA512f0c29f10a61eb8ff9b3069a458235feb811f4d3dc3dcd654bff7dffff9cf2696faa7cb72425bc670003c658501cbea1a9c53539aeea392a840bbdddac68fded3
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Filesize
59KB
MD52fc1c11a3c2295b3194b1bf83b86982c
SHA18ae7381b0af50a07310f7ffbecfa780f7740305f
SHA2564ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c
SHA51258d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8