a3fbe1bdecfef6680c6f91f7a21eeabc11220b7e3130e710241699ca0f828424

Analysis

max time kernel
141s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 04:20

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General

Target

Excel/xl/link/Excel/PO/PO.xlsx
Size

13KB
MD5

9ceddc5893966925ca8c244ce9e581f0
SHA1

7ee86dde5f08a2085a1fc5fe93109c39233bdedb
SHA256

33c7d3be478f265c774e6ab4fd2f74ad6d4b190e1f2842cce1b7e81a7a63f72e
SHA512

b4d8a76b7cb3193649a6cfff08d9cfe1c59f52e943148653eaf87e5d589dfa82c912b39df22a4d0c906fd6341c829f48e72b4fdc6638172e1cef560afd5af06d
SSDEEP

384:KH3tPervBvvHBp6M/uRXKDrRf8xcWrLHa:KkjB39DN82CL6

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

4728 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4728 EXCEL.EXE
4728 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	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\xl\link\Excel\PO\PO.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4728

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/4728-0-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-2-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-1-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-3-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-4-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-7-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-6-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-8-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-9-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-5-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-10-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-11-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-12-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-14-0x00007FF931C40000-0x00007FF931C50000-memory.dmp

Filesize
64KB

Download
memory/4728-13-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-15-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-16-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-17-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-18-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-19-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-20-0x00007FF931C40000-0x00007FF931C50000-memory.dmp

Filesize
64KB

Download
memory/4728-33-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-48-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-49-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-51-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-50-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-53-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-52-0x00007FF934490000-0x00007FF9344A0000-memory.dmp

Filesize
64KB

Download
memory/4728-54-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-55-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download
memory/4728-56-0x00007FF974410000-0x00007FF974605000-memory.dmp

Filesize
2.0MB

Download