Analysis
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max time kernel
45s -
max time network
40s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
21/03/2025, 21:36
Behavioral task
behavioral1
Sample
24ec37e213c6fb8ce9c6094c124754b178ea285c3fad7b5bd57ace6d4bed6618.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
24ec37e213c6fb8ce9c6094c124754b178ea285c3fad7b5bd57ace6d4bed6618.xls
Resource
win10v2004-20250314-en
General
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Target
24ec37e213c6fb8ce9c6094c124754b178ea285c3fad7b5bd57ace6d4bed6618.xls
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Size
56KB
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MD5
08d32837ce6208c8327e6ff96ebb004b
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SHA1
113fca0e71a139a0569f52c595e15ace252cfb97
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SHA256
24ec37e213c6fb8ce9c6094c124754b178ea285c3fad7b5bd57ace6d4bed6618
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SHA512
3609c93c2e849632871cf69f8b3a2c1c71fa4d45dcfdaa7ba2091421c8af503ac8224ac4f806aecae70f63ee93b167a821f6c9a69df000e80e2305d518ff9182
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SSDEEP
1536:bsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/5G9XSZ4umv+:YKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgJ
Malware Config
Extracted
http://church.ktc-center.net/PbSkdCOW/
https://chobemaster.com/components/gus/
https://christianchapman.com/cgi-bin/gADHL9UXSFUTN/
http://chmiola.net/audio/6OuzyjPS/
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 4792 2744 regsvr32.exe 85 -
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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2744 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2744 EXCEL.EXE 2744 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2744 wrote to memory of 4792 2744 EXCEL.EXE 93 PID 2744 wrote to memory of 4792 2744 EXCEL.EXE 93 PID 2744 wrote to memory of 4792 2744 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\24ec37e213c6fb8ce9c6094c124754b178ea285c3fad7b5bd57ace6d4bed6618.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:2744 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\adw.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4792
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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
Filesize671B
MD55a73e77316f31c81cff45233a8f21d5e
SHA16a4f33a72c9720844df7fa1946db759dc236f0ae
SHA2567666b4d0a9fab93092f224462f9f79e90508299393fc0f4b2130f9ab4a095199
SHA5123aab8c53f070c7a17c6b737981a15846a8dc27b009dcdf63db9e2421b38707c57ed47b1e10cabccaaef38763d9f54ccdfc210e17cfdeefc4074d71a8720d282d
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Filesize
40KB
MD545a9c27ee5fd8f1dc7fc30f5d1fd4bc3
SHA166da98676b92f5b70eb7570ade0964653061ad38
SHA2567b2d278f9ef44faba163656df444bc7acb80d25e9dc708dffd3ce75b77732120
SHA5128706b6b76c826b0bae155d921a17c5adcd21974594d345070833cb2933e7f81c87c143e450b08c1d7a3fe3d33c071b5eba6cfd53e48686864c55d5729bfe7f9f