Behavioral Report

Analysis

max time kernel
104s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2023 10:31

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Report Files Registry Network Processes Mutex Misc

General

Target

Doc_230125.xlsx
Size

644KB
MD5

be7a9bc01cfea694a22d463ec14e7e3b
SHA1

1bc1b452bb230be5d4a51484ff4f2771f3792619
SHA256

8d9987b12667c1d3cfd71161c7d18fe4b152557157bed38264120baa49b184be
SHA512

e9543b207f84a9f2cd7f3b8f2c521e7dba9bef53e2d5439993e78d1596f737415f0bf1d82e2f5d4201206c2071a1661da901fbc60d54a3c6d1ecb50da47c0a38
SSDEEP

12288:frxQKDBSm3Wn/xyqZ8/uZv7Ddv4s00jN5jLelzGpEXiqYGwTtfOjOzVcV:tDn3Wn/sqH7Ddgs00/qlYEyLTAi2

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.

TTPs:

Query Registry System Information Discovery

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

TTPs:

Query Registry System Information Discovery

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

2876 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	EXCEL.EXE
2876	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\Doc_230125.xlsx"

Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx

PID:2876

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

Query Registry

T1012

System Information Discovery

T1082

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

memory/2876-132-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-133-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-134-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-135-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-136-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-137-0x00007FF82C530000-0x00007FF82C540000-memory.dmp

Filesize
64KB

Download
memory/2876-138-0x00007FF82C530000-0x00007FF82C540000-memory.dmp

Filesize
64KB

Download
memory/2876-140-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-141-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-142-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2876-143-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download