Analysis
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max time kernel
133s -
max time network
142s -
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, 18:26
Behavioral task
behavioral1
Sample
5985c29519f1018a7c1c016f24ce4ddf3e4ad196756c797cdbccf0d770a9ae2d.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5985c29519f1018a7c1c016f24ce4ddf3e4ad196756c797cdbccf0d770a9ae2d.xls
Resource
win10v2004-20241007-en
General
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Target
5985c29519f1018a7c1c016f24ce4ddf3e4ad196756c797cdbccf0d770a9ae2d.xls
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Size
96KB
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MD5
97ac12de811009f553856a7665fa07f2
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SHA1
e1d7c98dd8f1925d7ebf2b97de59b2be25fc905c
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SHA256
5985c29519f1018a7c1c016f24ce4ddf3e4ad196756c797cdbccf0d770a9ae2d
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SHA512
20e51f3311ae6684c19a16787ce05fd14fa1a7a23536bcdd3b992e3eeb1b5f3e460eded0594949ed02257f222a0b7b2731d2120404a138f39b4d56c41fb8d83b
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SSDEEP
1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm3Z:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgh
Malware Config
Extracted
http://fisika.mipa.uns.ac.id/reseller/img/nRAvAgoY8Y/
http://greycoconut.com/edm/71qUA/
http://zonainformatica.es/tienda/XCHJmidSYTkE/
http://balletmagazine.ro/wp-content/9VrMPV/
Signatures
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Process spawned unexpected child process 4 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 4812 3672 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3956 3672 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 744 3672 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2532 3672 regsvr32.exe 82 -
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 3672 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3672 EXCEL.EXE 3672 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE 3672 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3672 wrote to memory of 4812 3672 EXCEL.EXE 84 PID 3672 wrote to memory of 4812 3672 EXCEL.EXE 84 PID 3672 wrote to memory of 3956 3672 EXCEL.EXE 88 PID 3672 wrote to memory of 3956 3672 EXCEL.EXE 88 PID 3672 wrote to memory of 744 3672 EXCEL.EXE 90 PID 3672 wrote to memory of 744 3672 EXCEL.EXE 90 PID 3672 wrote to memory of 2532 3672 EXCEL.EXE 93 PID 3672 wrote to memory of 2532 3672 EXCEL.EXE 93
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\5985c29519f1018a7c1c016f24ce4ddf3e4ad196756c797cdbccf0d770a9ae2d.xls"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:3672 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:4812
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:3956
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:744
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:2532
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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
Filesize1KB
MD5c405c49933180de5d823eb60a3834a28
SHA144d0c64bf428ec21b0348dbb210019a99f6474d7
SHA256a1028dfb7cee09fb7c36a2255e3c755875db032807794dd14a8c642c7fe82a00
SHA512f02894daa49b8f18d45eb0c2cd7c22794cf10056df1d1a8213672f0f1d248874e54d7f55e665b1719e7c5aec7f28375aca995d8236f4c8495f0479a5132ba616
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Filesize
36KB
MD53b79e62476916ff33ddc0668a0898e6d
SHA1fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA5123b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa