Analysis
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max time kernel
133s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 17:42
Behavioral task
behavioral1
Sample
146232681def5a2f77ed65e8f098ed5cda6e4a4d2982d6f22395b3f8e860ccae.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
146232681def5a2f77ed65e8f098ed5cda6e4a4d2982d6f22395b3f8e860ccae.xlsm
Resource
win10v2004-20241007-en
General
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Target
146232681def5a2f77ed65e8f098ed5cda6e4a4d2982d6f22395b3f8e860ccae.xlsm
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Size
32KB
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MD5
9831d54e84b419170c2b3925a977f4d6
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SHA1
f7121383166b8a11cf17d2a93baac76245078dd6
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SHA256
146232681def5a2f77ed65e8f098ed5cda6e4a4d2982d6f22395b3f8e860ccae
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SHA512
b9d3b8f3edd86e93ba1c34c24ce75d6f2a45aa63268b6771a4f630deb1ae7ddcec40f3753f6705a2028bac82a87a69d54ab7e447afea7d08a82a348b1f3cefad
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SSDEEP
384:sjzZPFhNjqEBOA7iEibbwBLg0SCdiVXUKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5lY:sjpFhNNlizXT28dFfPdkqstJmE6/
Malware Config
Extracted
https://casache.com/web/n3jxwXXwa/
https://www.blessingsource.com/blessingsource.com/rFQ0Ip6lQXXK/
http://ccalaire.com/wp-admin/d1pGRa0X/
http://cdimprintpr.com/brochure2/A9NmYDndZ/
http://careerplan.host20.uk/images/Ls/
http://ausnz.net/2010wc/odSi5tQKkCIXEWl9/
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 5088 1716 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 1716 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1716 EXCEL.EXE 1716 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE 1716 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1716 wrote to memory of 5088 1716 EXCEL.EXE 98 PID 1716 wrote to memory of 5088 1716 EXCEL.EXE 98 PID 1716 wrote to memory of 5088 1716 EXCEL.EXE 98
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\146232681def5a2f77ed65e8f098ed5cda6e4a4d2982d6f22395b3f8e860ccae.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:1716 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:5088
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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
Filesize3KB
MD53ba39ea5eed1181555189b9fb50dda17
SHA13cf419ebc55202dbfb87d278e19aa521ed8d95bb
SHA2566076cb62b40e41c68ed70a812a9d8fee942cd4d9808cb8d640566b17d0f39201
SHA512e4dc0a737957bcc98b545a25ce6fc173c120528dd56c0ebe8064f83510fb3941c05a7bd9b16d4580515705ee39ee46fc45efcf274f4f267d0f75efaf10fa1c9b
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Filesize
166KB
MD5618ba093767c2f8e633e2c1e4cb05df3
SHA12b34a203ccc0cc4adb0779d1a21675b400b4423a
SHA25644098f0de1aff178ffd21d6815b258a7ae88d0abae68bce4102fa4217fbdd0e2
SHA51294f101f86ccea38f31cab12a2165ba752e1aec4023c85d978b1fca41a0d00d4af0419356659bc719a1248d4f5163927678397463b1297d77a0db8d17af15086a