1fb82ffa2f91865b723488994fa3445d8a3c8b37d0e7ca59a63ab83ea69df10c

Analysis

max time kernel
142s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 19:54

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General

Target

2013-2014(1)护理学院进度表终稿9.3/11护本10班、11仁济助产高级助产学/2013公��.xls
Size

34KB
MD5

bb133c67ee8dba2fdc3c44081bbae26d
SHA1

793c001964ceadcf6c5234d2d1633f78a4fb0565
SHA256

13f5117d8faa4878eed9417aaaee801d056384456f2c71e5db0b8859f6e02dcc
SHA512

77dca5ae623ba90b0071805cfb6e2fb4600db716bec75c5b860eb10331b9ed05abaccc95153351326cd0940c59f38155cea390ec06a66d0bf0ef25ed5ad07c6d
SSDEEP

768:kaaaui+aaKTnuyuyuCCGee7+vT2rTjZ959q8TOxRXK:kaaaui+aaKTnuyuyuCCGee7HjZ959q8V

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

4808 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	EXCEL.EXE
4808	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\2013-2014(1)护理学院进度表终稿9.3\11护本10班、11仁济助产高级助产学\2013公��.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4808

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/4808-132-0x00007FFA58010000-0x00007FFA58020000-memory.dmp

Filesize
64KB

Download
memory/4808-134-0x00007FFA58010000-0x00007FFA58020000-memory.dmp

Filesize
64KB

Download
memory/4808-133-0x00007FFA58010000-0x00007FFA58020000-memory.dmp

Filesize
64KB

Download
memory/4808-135-0x00007FFA58010000-0x00007FFA58020000-memory.dmp

Filesize
64KB

Download
memory/4808-136-0x00007FFA58010000-0x00007FFA58020000-memory.dmp

Filesize
64KB

Download
memory/4808-137-0x00007FFA55FB0000-0x00007FFA55FC0000-memory.dmp

Filesize
64KB

Download
memory/4808-138-0x00007FFA55FB0000-0x00007FFA55FC0000-memory.dmp

Filesize
64KB

Download