4e7ff63e7614c6ac13b420df2ecb99aa41cbd829f31eabf0f905541baf7cdd60

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 18:47

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General

Target

永胜FTTB/富顺县骑龙镇永胜乡全光改造工程(FTTB光缆).xls
Size

135KB
MD5

465ebe32c29cea4771ed248f6fcde47d
SHA1

744d9eadf89d98e9c7c60366a0edc0f99e9217c8
SHA256

02310f558c0c9e9d2de372f52c7b362b13cd104590ff5e54fb135e2c25a1cade
SHA512

c4980ad425412302d1d83f06ab9925cae2df022be45ea3129569b19df9cb63ff4eaa836f7e2801e47f19654faecc7021becf5e9dd4e91114aa495d2a3b821d0d
SSDEEP

768:KLLLL/NMnR2EqkW+244rUvz258/CFBeyuOGHEQm0YGeJUAYGeKDemAvojuWa/67P:KLLLL/NMHA+2IsfQEQnGywbCXwbCW/

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

3820 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	EXCEL.EXE
3820	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\永胜FTTB\富顺县骑龙镇永胜乡全光改造工程(FTTB光缆).xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3820

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/3820-132-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-133-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-134-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-135-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-136-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-137-0x00007FF93F700000-0x00007FF93F710000-memory.dmp

Filesize
64KB

Download
memory/3820-138-0x00007FF93F700000-0x00007FF93F710000-memory.dmp

Filesize
64KB

Download
memory/3820-140-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-141-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-142-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download
memory/3820-143-0x00007FF941D50000-0x00007FF941D60000-memory.dmp

Filesize
64KB

Download