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
145s -
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/Work_From_Home_Survey.docx
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Size
26KB
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MD5
41dacae2a33ee717abcc8011b705f2cb
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SHA1
4b35d14a2eab2b3a7e0b40b71955cdd36e06b4b9
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SHA256
84674acffba5101c8ac518019a9afe2a78a675ef3525a44dceddeed8a0092c69
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SHA512
11f7177dc3c8a804ff6450477e15aadd20fddac98205008db25a4f6ef69a54b7cb7c9dd0d7bdf1b1d317f306482d86ad5ef150530194de7d8dbe344203962648
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SSDEEP
768:8HVoVneOa0HD/vb9EVoiJWq8UCei96T8vuX3m86RAFvg5e:8QVvbvb9wnIq8OitP88eY5e
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:\trendparlye.com\wiki0509.html!x-usc:http:\trendparlye.com\wiki0509.html WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3876 WINWORD.EXE 3876 WINWORD.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WINWORD.EXEdescription pid process Token: SeAuditPrivilege 3876 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
WINWORD.EXEpid process 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 WINWORD.EXE 3876 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\Work_From_Home_Survey.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\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lexFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/3876-9-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-68-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-3-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-4-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-5-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-6-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-23-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-1-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-8-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-10-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-11-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-12-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-13-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-14-0x00007FF87FAC0000-0x00007FF87FAD0000-memory.dmpFilesize
64KB
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memory/3876-70-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-2-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-7-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-24-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-25-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-26-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-27-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-28-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-29-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-0-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-63-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-64-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-67-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-65-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-66-0x00007FF881B70000-0x00007FF881B80000-memory.dmpFilesize
64KB
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memory/3876-22-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-69-0x00007FF8C1AF0000-0x00007FF8C1CE5000-memory.dmpFilesize
2.0MB
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memory/3876-15-0x00007FF87FAC0000-0x00007FF87FAD0000-memory.dmpFilesize
64KB