65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
144s
max time network
150s
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/伙食費申請.xls
Size

16KB
MD5

6ea247f7164a1ee1509f2c8ada9fbbfa
SHA1

7c2dd5660cbc9463b6d62d4b8db350d185f975b1
SHA256

8f000ac3e445c127ad92777e9aaaf5a24455377cf4f6353d30d8154091476259
SHA512

24f15ab82cc16fc450859fdad49cc1c21386c405ea2c3a2ad7db6d34fe75749d5cabd920479643f6d58f356f1c78f701b2739dd5600f4407970894bb1e64419a
SSDEEP

96:Kl+9shTUg/XPo/Aok0697N6/GIZAcrr9Fb1PqFg7WxMnCd4QKuJk/a1wlrLphu2i:Kl+9shTUg/XPX7B4p/9F6SRw

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

4380 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4380 EXCEL.EXE
4380 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	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\伙食費申請.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4380

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/4380-0-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-1-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-2-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-4-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-5-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-6-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-3-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-7-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-9-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-10-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-8-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-12-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-11-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-13-0x00007FFA45750000-0x00007FFA45760000-memory.dmp

Filesize
64KB

Download
memory/4380-14-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-15-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-16-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-17-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-18-0x00007FFA45750000-0x00007FFA45760000-memory.dmp

Filesize
64KB

Download
memory/4380-19-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-20-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-21-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-24-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-43-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-44-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-45-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-46-0x00007FFA47810000-0x00007FFA47820000-memory.dmp

Filesize
64KB

Download
memory/4380-47-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-48-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download
memory/4380-49-0x00007FFA87790000-0x00007FFA87985000-memory.dmp

Filesize
2.0MB

Download