65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
166s
max time network
188s
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/出差費用明細表.xls
Size

15KB
MD5

54f2a77b6273e6feae88e04f7b692712
SHA1

a6ebf005861bbd7646e4765a4dcb6e0f66045896
SHA256

a03489af92ab87c392d2d8ccea526e5935dbf5c630e5982b7cae12ea3b07ac70
SHA512

ca03326734c80877664046be7ac84bbbe459951c5a832f669764201938922bba3e9f736796b96a2cb02fdb3b5665720b23b399ccb5ef9aab6a500a17318e2338
SSDEEP

192:CVashTUg/XPh8hhPPPPPPPPPPh/IOS5sMJY/+3+O50a8aJj:AOAOS5Re+3+tkj

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

4152 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4152 EXCEL.EXE
4152 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	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\出差費用明細表.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4152

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/4152-0-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-1-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-3-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-2-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-4-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-5-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-6-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-7-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-8-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-9-0x00007FF96BBC0000-0x00007FF96BBD0000-memory.dmp

Filesize
64KB

Download
memory/4152-10-0x00007FF96BBC0000-0x00007FF96BBD0000-memory.dmp

Filesize
64KB

Download
memory/4152-25-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-26-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-28-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-27-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-29-0x00007FF96DD30000-0x00007FF96DD40000-memory.dmp

Filesize
64KB

Download
memory/4152-30-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-31-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4152-32-0x00007FF9ADCB0000-0x00007FF9ADEA5000-memory.dmp

Filesize
2.0MB

Download