Analysis
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max time kernel
148s -
max time network
149s -
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 17:54
Behavioral task
behavioral1
Sample
8640c09f0c2a1a9c20b8fd9703dd0693da558d399c9c6028fd7880b73a2640a6.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8640c09f0c2a1a9c20b8fd9703dd0693da558d399c9c6028fd7880b73a2640a6.xls
Resource
win10v2004-20241007-en
General
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Target
8640c09f0c2a1a9c20b8fd9703dd0693da558d399c9c6028fd7880b73a2640a6.xls
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Size
70KB
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MD5
bf088e3fa3851823821fc51fbfa1e511
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SHA1
f2458e7615e2b8a26b031343cb031ad0fbdb27a0
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SHA256
8640c09f0c2a1a9c20b8fd9703dd0693da558d399c9c6028fd7880b73a2640a6
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SHA512
42f0f30416ca7cb36918f87c3436a474dc45c2ea3f5e85b6d6c4cbdc98d205707877b702ed87a439c58c247358513a4ceb149d7e25714ea0c4994f7b3a3ac256
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SSDEEP
1536:tOKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+1YW/ESKQHS1yXJFa5etSv:AKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM5
Malware Config
Extracted
http://congtycamvinh.com/plugins/jG3iqpQaTL1TXYMolH/
http://ecube.com.mx/e2oCWBnC/6wp2K4sfQmVIRy6ZvdiH/
http://dulichdichvu.net/libraries/6vhzwoZoNDSMtSC/
http://gnif.org/administrator/G68HwUGlKNJNU2vh5cz/
https://edoraseguros.com.br/cgi-bin/l7ZERv5deNsfzlZUZ/
https://sanoma.allrent.nl/cgi-bin/KXbI5OhLJ/
Signatures
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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 1468 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1468 EXCEL.EXE 1468 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE
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\8640c09f0c2a1a9c20b8fd9703dd0693da558d399c9c6028fd7880b73a2640a6.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1468
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
Filesize1KB
MD5a94a88ffc19d27f54c3e4852245a9850
SHA1ce82058a5ab90dd7dcd373531a3b63926b9e50d8
SHA2562b9c8fbd6164c68703880f4bb07f8bdfb2e950471c4d5dbcad72dab000b443db
SHA51296c6aca04372a848bac71cd7bad01c8adceac89d982300c3416d2eddb583d9f018bfb183b6b4f26a2187f89d9f733d5011e5e7ad34a4025a272dc851d87e21b9