Analysis
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max time kernel
133s -
max time network
147s -
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 17:23
Behavioral task
behavioral1
Sample
c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.xls
Resource
win10v2004-20241007-en
General
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Target
c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.xls
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Size
95KB
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MD5
2d80d0c1d23ef77901a5d5955db6f49d
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SHA1
3527ac55e9b244669b662867843e5c1a6c1cb85b
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SHA256
c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c
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SHA512
0a6482e7b58bf4d0b9babef751ee77d43205f132ec5c5450500c0430f6b5c1939437fdf4fad715c371618f0dc26cb4cadfd5f5d5ab413492b0277bfc34cbc000
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SSDEEP
1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJmN:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgw
Malware Config
Extracted
https://fikti.bem.gunadarma.ac.id/SDM/YH8OJ1Zz8miBX/
http://ebuysa.co.za/yt-assets/yZ30/
http://3dstudioa.com.br/files/1ubPAB/
http://boardmart.co.za/images/DvMHPbTLn/
Signatures
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Process spawned unexpected child process 4 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 4252 3820 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1580 3820 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1532 3820 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2648 3820 regsvr32.exe 84 -
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 3820 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3820 EXCEL.EXE 3820 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3820 wrote to memory of 4252 3820 EXCEL.EXE 91 PID 3820 wrote to memory of 4252 3820 EXCEL.EXE 91 PID 3820 wrote to memory of 1580 3820 EXCEL.EXE 94 PID 3820 wrote to memory of 1580 3820 EXCEL.EXE 94 PID 3820 wrote to memory of 1532 3820 EXCEL.EXE 100 PID 3820 wrote to memory of 1532 3820 EXCEL.EXE 100 PID 3820 wrote to memory of 2648 3820 EXCEL.EXE 103 PID 3820 wrote to memory of 2648 3820 EXCEL.EXE 103
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\c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.xls"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:3820 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:4252
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:1580
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:1532
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:2648
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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
MD588457d2d872b4157c2d07ed655c5d6e7
SHA11e067c801f308de0fa7e124abfc0d859631b196a
SHA25695340ccf42444bebd6bf097ed2caa72550d57e7fec7c9b81c2b9ba940c244982
SHA5126b1777314d13609389170b28812783639d683c322d0142b4b505874d399ea091700137175652317a2cbc711d8e3e521cf29b66ab38f4d004910ffc68afb3d0aa