Overview
overview
10Static
static
10Challenge_...m.docx
windows7-x64
4Challenge_...m.docx
windows10-2004-x64
1Challenge_...1.docx
windows7-x64
4Challenge_...1.docx
windows10-2004-x64
1Challenge_...y.docx
windows7-x64
4Challenge_...y.docx
windows10-2004-x64
1Challenge_...1.docx
windows7-x64
4Challenge_...1.docx
windows10-2004-x64
1Analysis
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max time kernel
140s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2023 08:52
Static task
static1
Behavioral task
behavioral1
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win10v2004-20230831-en
Behavioral task
behavioral3
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win10v2004-20230831-en
Behavioral task
behavioral5
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win10v2004-20230831-en
Behavioral task
behavioral7
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win10v2004-20230831-en
General
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Target
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
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Size
12KB
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MD5
d5742309ba8146be9eab4396fde77e4e
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SHA1
8aaa79ee4a81d02e1023a03aee62a47162a9ff04
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SHA256
ed2b9e22aef3e545814519151528b2d11a5e73d1b2119c067e672b653ab6855a
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SHA512
37367ea06191c8a949f6c092bc4137736b344cc9892bf8a19e149557919d9276fb1301009a700cede0f2ca05d6827c827992817aee7b8968a5429e433fe0c8ba
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SSDEEP
192:60L6GkWglL+bzW6mlHRrZu87Fym3tZknRIhRHNwC3Eo+ETdlexwDvx/jVm9CoDFn:603kpLTZJHm+Eo+ETd4weCoDFLFd
Malware Config
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.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
NTFS ADS 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\mhtml:http:\175.24.190.249\note.html!x-usc:http:\175.24.190.249\note.html WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4112 WINWORD.EXE 4112 WINWORD.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WINWORD.EXEdescription pid process Token: SeAuditPrivilege 4112 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 4112 WINWORD.EXE 4112 WINWORD.EXE 4112 WINWORD.EXE 4112 WINWORD.EXE 4112 WINWORD.EXE 4112 WINWORD.EXE 4112 WINWORD.EXE
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\Employees_Contact_Audit_Oct_2021.docx" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\D1273F27.datFilesize
52B
MD507ffeff17a8a1a1209ab3c2690d569d4
SHA137cb513fabddcdbbaa2e7296b31a4bc9832e1b01
SHA25657cfa30bb860b95b7012ed62427025959b671d270aaf67fc406fbc3c4f3c48d4
SHA512743591e7bfe9936eee057c9d1769595d48c90ba28057d8ebd0f7299b8fcacd7b8fa50af30bd0b8b6e09f77ade16b47d6f0abb079d60e975443a57c514099ad86
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C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lexFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/4112-17-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-74-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-4-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-8-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-9-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-7-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-16-0x00007FFABC7E0000-0x00007FFABC7F0000-memory.dmpFilesize
64KB
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memory/4112-0-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-10-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-11-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-12-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-13-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-14-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-15-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-77-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-5-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-6-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-19-0x00007FFABC7E0000-0x00007FFABC7F0000-memory.dmpFilesize
64KB
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memory/4112-3-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-2-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-41-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-42-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-43-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-44-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-45-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-71-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-72-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-73-0x00007FFABF0F0000-0x00007FFABF100000-memory.dmpFilesize
64KB
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memory/4112-75-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-18-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-76-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB
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memory/4112-1-0x00007FFAFF070000-0x00007FFAFF265000-memory.dmpFilesize
2.0MB