65cbcbe6aa0d7a37fe7f8de72582ace9b513e516ae3445e5b61c6f151a535426

Analysis

max time kernel
147s
max time network
160s
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/借書籍記錄表.xls
Size

15KB
MD5

4d66e248e7b4dbc787e3e576471a02ad
SHA1

adf566908c2f1d99023228f5891cbe7acb469199
SHA256

b55b197dc6872560660df41622e4bc8293e8251cc05c1e4c5ef6eedfd01b8f75
SHA512

e9e2a1b72c9dfb5d1bff5eefba72c27a4b315672e49ef30bf2729818c6d35e9d31918466f32ed9f08422c5c903b57c6e632d77ca515eecf533b465fa572f602f
SSDEEP

96:0l+NshTUg/XPo/Aok069SfhZUcEc4PdfPlursBCXvA1mjp656XYt4soRXpDqs:0l+NshTUg/XP2Vj4Pd3kZlhp3

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4540 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4540 EXCEL.EXE
4540 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	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\借書籍記錄表.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4540

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/4540-1-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-0-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-3-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-2-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-5-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-4-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-7-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-8-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-9-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-6-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-10-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-11-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-12-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-13-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-15-0x00007FFB69490000-0x00007FFB694A0000-memory.dmp

Filesize
64KB

Download
memory/4540-16-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-14-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-18-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-19-0x00007FFB69490000-0x00007FFB694A0000-memory.dmp

Filesize
64KB

Download
memory/4540-20-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-21-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-22-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-41-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-40-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-44-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-45-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-43-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-42-0x00007FFB6BDF0000-0x00007FFB6BE00000-memory.dmp

Filesize
64KB

Download
memory/4540-46-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-47-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download
memory/4540-48-0x00007FFBABD70000-0x00007FFBABF65000-memory.dmp

Filesize
2.0MB

Download