65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
128s
max time network
170s
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/人事表格管理/出國申請單.xls
Size

15KB
MD5

d21a8b54666306cc23fcf84490104d18
SHA1

b8f71d6e5882284b9cac995c91eaab3ffab285df
SHA256

1d2cfc991ae2280814f0c25b3fabda5072db8dbf556f7f0cfa2bbf9645c85ff6
SHA512

213c59ff782689a99bba44ae0b645a35696424472895c13eb807af3b5b0e5ff210acebdee1988bca5ed88334d1d313a640db4b4835325d5fb37042b0f73e1c85
SSDEEP

96:2A+hNshTUg/XPo/Aok06j8hhPPPPPPPPPPj1wxYucttWFw+xo3VR:2A+hNshTUg/XPh8hhPPPPPPPPPPh/l

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

4460 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4460 EXCEL.EXE
4460 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	EXCEL.EXE
4460	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\人事表格管理\出國申請單.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4460

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/4460-0-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-1-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-3-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-5-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-6-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-4-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-8-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-9-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-10-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-11-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-12-0x00007FFECF2D0000-0x00007FFECF2E0000-memory.dmp

Filesize
64KB

Download
memory/4460-7-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-13-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-14-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-2-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-15-0x00007FFECF2D0000-0x00007FFECF2E0000-memory.dmp

Filesize
64KB

Download
memory/4460-18-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-19-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-20-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-39-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-40-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-42-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-44-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-43-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-41-0x00007FFED1330000-0x00007FFED1340000-memory.dmp

Filesize
64KB

Download
memory/4460-46-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download
memory/4460-45-0x00007FFF112B0000-0x00007FFF114A5000-memory.dmp

Filesize
2.0MB

Download