65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
188s
max time network
205s
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/人員試用標準.xls
Size

16KB
MD5

9d08e87fb573203e6dafbbfc62cc34d7
SHA1

1a1093e6f0b4c3c1934175d2253b214f4b396d2c
SHA256

92c07f2dd217eb8a0bb7f24f1c38f83f92d5dc12a7f9727c2e1369945d05ddc4
SHA512

bd5e9733ebcc086981b0f580cfab106e2089ae137efdaffb185b183ab48268aa3dfc4a0afcc017b5cb688cf0dd4089eb57f6c4707319bac53bcb07a13953b76d
SSDEEP

96:KVKshTUg/XPo/Aok06RfxTY3rEcVfbK7QX1f4b2h8f6VQTOZUXStIrGV/HsvKlgi:KVKshTUg/XP2rlVfkk1D/LH/b

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4452 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	EXCEL.EXE
4452	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\人員試用標準.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4452

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/4452-0-0x00007FFBC2FF0000-0x00007FFBC3000000-memory.dmp

Filesize
64KB

Download
memory/4452-1-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-3-0x00007FFBC2FF0000-0x00007FFBC3000000-memory.dmp

Filesize
64KB

Download
memory/4452-2-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-5-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-6-0x00007FFBC2FF0000-0x00007FFBC3000000-memory.dmp

Filesize
64KB

Download
memory/4452-7-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-9-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-8-0x00007FFBC2FF0000-0x00007FFBC3000000-memory.dmp

Filesize
64KB

Download
memory/4452-10-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-4-0x00007FFBC2FF0000-0x00007FFBC3000000-memory.dmp

Filesize
64KB

Download
memory/4452-11-0x00007FFBC08E0000-0x00007FFBC08F0000-memory.dmp

Filesize
64KB

Download
memory/4452-12-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-13-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-14-0x00007FFC02F70000-0x00007FFC03165000-memory.dmp

Filesize
2.0MB

Download
memory/4452-16-0x00007FFBC08E0000-0x00007FFBC08F0000-memory.dmp

Filesize
64KB

Download