65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
148s
max time network
155s
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/個人費用／差旅申報表.xls
Size

63KB
MD5

4ef7446a9928de36a4d3c139ec430531
SHA1

61475b48aecfad7fc1f0cf290dbc24752b06cff6
SHA256

6930b6fd8960cb982a430fdd04ec89db6805a8cc744f9a8b5c278ea718c38527
SHA512

a4b2ffe62ce686141d1f207b0f9730dc3034312651c727bd5585d6f1d6c63bfedbab8247c78596286dd6e86dc3e44d21e9cfc44ddba443a06ac28e87b6422015
SSDEEP

1536:PsIxdFsDFFsfeBwLO1VwTLELn59VPZk+7:PsIx3sDFFs2B4FTLELnpPz

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

4164 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4164 EXCEL.EXE
4164 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	EXCEL.EXE
4164	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\個人費用／差旅申報表.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4164-1-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-0-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-3-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-2-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-4-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-6-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-7-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-5-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-8-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-9-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-10-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-11-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-12-0x00007FFA38220000-0x00007FFA38230000-memory.dmp

Filesize
64KB

Download
memory/4164-13-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-14-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-15-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-16-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-17-0x00007FFA38220000-0x00007FFA38230000-memory.dmp

Filesize
64KB

Download
memory/4164-20-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-37-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-38-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-39-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-41-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-40-0x00007FFA3A9D0000-0x00007FFA3A9E0000-memory.dmp

Filesize
64KB

Download
memory/4164-44-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-43-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download
memory/4164-42-0x00007FFA7A950000-0x00007FFA7AB45000-memory.dmp

Filesize
2.0MB

Download