Analysis
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max time kernel
133s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 16:22
Behavioral task
behavioral1
Sample
38be02efc1373dda52df4f9c25f666616dbd39caca0d223cd62432a049276d00.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
38be02efc1373dda52df4f9c25f666616dbd39caca0d223cd62432a049276d00.xlsm
Resource
win10v2004-20241007-en
General
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Target
38be02efc1373dda52df4f9c25f666616dbd39caca0d223cd62432a049276d00.xlsm
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Size
56KB
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MD5
f0483b2879457d7f77884f7e6d2d3701
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SHA1
30f48e3607beaa33546522b8e88b1f52f6d9bcd3
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SHA256
38be02efc1373dda52df4f9c25f666616dbd39caca0d223cd62432a049276d00
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SHA512
1945c2450555c32b2c4589a609afb9ce254bb8b7d3c3fedec89a297525ab24e4110884a726aa36fc80dcd57cdb094880999e8bbe73ba0da6e5eaea24da7b271a
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SSDEEP
1536:yUsgWy4WV8cPkkhN+8ZvOVWoNwlQolOko3t0F5uVAwk6:9snbcpn+8ZGIFK73tMQ5
Malware Config
Extracted
http://www.equus.com/2i8yt/GhBSz6peG/
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 1776 2368 regsvr32.exe 81 -
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 2368 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2368 EXCEL.EXE 2368 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE 2368 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2368 wrote to memory of 1776 2368 EXCEL.EXE 86 PID 2368 wrote to memory of 1776 2368 EXCEL.EXE 86 PID 2368 wrote to memory of 1776 2368 EXCEL.EXE 86
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\38be02efc1373dda52df4f9c25f666616dbd39caca0d223cd62432a049276d00.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:2368 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\adw.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
638B
MD5c7617446d16b7213f3db764a2e1e2687
SHA10c668589ea0918533985693696ec12016c8d609d
SHA256faedea74bbfeb00b2a46a351776282b49e9cf69f8eda107dfd6398b955e6a710
SHA51219b80989e6e0115710a90425d13be6c5ddaa5d84bf27be5da18be51613bad8f40225fc84433a74211ce6cca3273262a5444dabb625cd99566ecdb787b124b16d