4f86706094fda2128d60a6021e2f4f0268793c1d2deeb9f23e608b06b0e9179f

Analysis

max time kernel
151s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:26

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General

Target

Ҵֱ20%ϵ//K4ؿܰ1�.xls
Size

101KB
MD5

4e490508a572e7cd55256e4aceb90f7d
SHA1

cc2f74fd4df511a335d3980464345727459bc0d2
SHA256

d054f3f49e4d859edb2ba6e7310bb7c8cd8462330cb6fcb8092c13620f136d88
SHA512

b04c55cf32c1696e7f9bc151e41ce77c510bcf762fd143df0e9a9659a5959cc00af44f755d76bdf099d45a36566bf0162fe459ad7758435292dcef06f9c712a6
SSDEEP

3072:czShJDaYmO+o3MVH0ONrjxl63TDq94vM:vXm63TO4v

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

3020 EXCEL.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE
3020 EXCEL.EXE

pid	process
3020	EXCEL.EXE

pid	process
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	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\Ҵֱ20%ϵ\\K4ؿܰ1�.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3020

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/3020-132-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3020-134-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3020-133-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3020-135-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3020-136-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3020-137-0x00007FF97AC00000-0x00007FF97AC10000-memory.dmp

Filesize
64KB

Download
memory/3020-138-0x00007FF97AC00000-0x00007FF97AC10000-memory.dmp

Filesize
64KB

Download