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 17:25
Behavioral task
behavioral1
Sample
5c5225fabc26ee7cc72483ff486d50afaccd69a5e809592e4c88168df1b5ddda.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5c5225fabc26ee7cc72483ff486d50afaccd69a5e809592e4c88168df1b5ddda.xlsm
Resource
win10v2004-20241007-en
General
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Target
5c5225fabc26ee7cc72483ff486d50afaccd69a5e809592e4c88168df1b5ddda.xlsm
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Size
56KB
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MD5
4919ebc44c308a02eb9ee17ed3e0d6a9
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SHA1
84236984f607103939c9fc7db431e2f2a37124de
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SHA256
5c5225fabc26ee7cc72483ff486d50afaccd69a5e809592e4c88168df1b5ddda
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SHA512
55f6dd7cfef9c40c86002748922b0e314a57dd0e0f46fbffccd0ae7c066b9e5c9fb92d480ff9c23ddfd3bd8369ccc5e523cd87872244e02cd4aef095c1b331f7
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SSDEEP
1536:gc7Zy4WV8rkhN+8ZvOVWoNwlQolOko3t0F5uVP/fq:g+bon+8ZGIFK73tMki
Malware Config
Extracted
http://blog.centerking.top/wp-admin/Ag4ORi0VN7riBwCSvvZ/
https://lucrecomconforto.com.br/zkxr/Wx1iq9PLeB5jBgb/
http://academiasuccesului.ro/parteneri/VbtNt/
http://melekler.atspace.cc/tests/JZm4UmD/
http://acerestoration.co.za/wp-admin/QKDLZ/
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 3600 1876 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 1876 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1876 EXCEL.EXE 1876 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE 1876 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1876 wrote to memory of 3600 1876 EXCEL.EXE 89 PID 1876 wrote to memory of 3600 1876 EXCEL.EXE 89 PID 1876 wrote to memory of 3600 1876 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\5c5225fabc26ee7cc72483ff486d50afaccd69a5e809592e4c88168df1b5ddda.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:1876 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\adx.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:3600
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD58f7afabccec4bec42d5bf041dc45f7e5
SHA1614359b31a2cdf02be8a12b0254f91171c32ba54
SHA256ff0b128a0d1f6385dc4d265684b760d92be853e938e8e2e1aed3f120a5541933
SHA5122b2e9b09d61e356cd569e097e2da2191e854590364141ad5f6d99c0a0910caa271100b26efa1457c8bd30cf4e82f54ed6fa6aa4d3fd0c0eccfd202bcc6bc4853