65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 11:37

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General

Target

Excel萬用表格/AutoPlay/Docs/課表.xls
Size

15KB
MD5

e6802356684cb43ff2551a945de0e5d0
SHA1

f7541e24a1b9f7a22c018dbb35d8b8a7a53e23c9
SHA256

0f123d16263fe1c19dcf4e5477f21158994d518f82682bbc3529a64641d0f4ac
SHA512

fe7c3b3490eb6d76ccef75240833436568a34fc275aefd54e0a194b0839492d5c74ec5ae3a44edc1667dae4dabed7502c05bd7ea7033a8be317750fec7b1f45d
SSDEEP

96:0VyshTUg/XPo/Aok06dVHX1UUc4GdERcErRKlpSXgANe++QOKs9UyvkgXsSnrP02:0VyshTUg/XPAdEaUmfAGyqT5PZ

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

2688 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2688 EXCEL.EXE
2688 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Excel萬用表格\AutoPlay\Docs\課表.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2688

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2688-1-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-0-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-2-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-4-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-5-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-6-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-7-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-3-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-9-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-8-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-10-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-12-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-11-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-13-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-15-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-14-0x00007FF93B910000-0x00007FF93B920000-memory.dmp

Filesize
64KB

Download
memory/2688-16-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-17-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-18-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-19-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-20-0x00007FF93B910000-0x00007FF93B920000-memory.dmp

Filesize
64KB

Download
memory/2688-22-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-25-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-37-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-38-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-40-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-39-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-42-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-41-0x00007FF93DCB0000-0x00007FF93DCC0000-memory.dmp

Filesize
64KB

Download
memory/2688-43-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download
memory/2688-44-0x00007FF97DC30000-0x00007FF97DE25000-memory.dmp

Filesize
2.0MB

Download