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Analysis
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max time kernel
131s -
max time network
134s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 16:09
Behavioral task
behavioral1
Sample
61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f.xls
Resource
win10-20220812-en
General
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Target
61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f.xls
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Size
217KB
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MD5
4de17a7f5f149382f4a7632dfce6e079
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SHA1
046191f043e23361217a1805f28144cb91314f25
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SHA256
61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f
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SHA512
1dd5d95e23ce1afb29420fe2e3bfdec833d9a0d2a3dde8829f4723e74db0f559d8a838948cf4b3e2dcd3b23700056aaff1b9d9754b40bfa514b52f04e7905d28
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SSDEEP
6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmH:bbGUMVWlbH
Malware Config
Extracted
https://aprendeconmireia.com/images/wBu/
http://updailymail.com/cgi-bin/gBYmfqRi2utIS2n/
https://akuntansi.itny.ac.id/asset/9aVFvYeaSKOhGBSLx/
http://swiftwebbox.com/cgi-bin/vNqoMtQilpysJYRwtGu/
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 4268 1020 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4284 1020 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3168 1020 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4464 1020 regsvr32.exe 65 -
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 1020 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1020 EXCEL.EXE 1020 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE 1020 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1020 wrote to memory of 4268 1020 EXCEL.EXE 68 PID 1020 wrote to memory of 4268 1020 EXCEL.EXE 68 PID 1020 wrote to memory of 4284 1020 EXCEL.EXE 69 PID 1020 wrote to memory of 4284 1020 EXCEL.EXE 69 PID 1020 wrote to memory of 3168 1020 EXCEL.EXE 70 PID 1020 wrote to memory of 3168 1020 EXCEL.EXE 70 PID 1020 wrote to memory of 4464 1020 EXCEL.EXE 71 PID 1020 wrote to memory of 4464 1020 EXCEL.EXE 71
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\61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f.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:1020 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
PID:4268
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
PID:4284
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
PID:3168
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
PID:4464
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