39f012bd1069d13dbce7911f459f993e521ab5ed4162ef3fd90e09d3b2d15f6f

Analysis

max time kernel
102s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:33

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General

Target

大兴三和新村/FTTH设备完工资料(14年成都蒲江大兴镇三和小区FTTH全光改造).xls
Size

131KB
MD5

c0b0dd83e9f8f6386a2a6badf42264fc
SHA1

8379a0de5b5386fb047db48d95203e58627ddfe2
SHA256

88232624091e64e4f03f6ecac6d724132f35ae8259f7803f0f73831c1eae9826
SHA512

81c5ea2700234ec0b27db30d78ad99891553c926be005a7231e3c33aeee74c9200e794c3e0b024bf2cd62be2fa94c3d6576faaad2edf36f004601018545d00e6
SSDEEP

3072:RFz7l6Nc7yRzs1H75wkZUgs1aX+9PwRnmdti7oR9IU8n/FTbo0Lwis6p:bl6Nc7yRzs1H75wkZUgs1aX+9PwRnmfQ

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

4640 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	EXCEL.EXE
4640	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\大兴三和新村\FTTH设备完工资料(14年成都蒲江大兴镇三和小区FTTH全光改造).xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4640

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/4640-132-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-133-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-134-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-135-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-136-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-137-0x00007FFC86960000-0x00007FFC86970000-memory.dmp

Filesize
64KB

Download
memory/4640-138-0x00007FFC86960000-0x00007FFC86970000-memory.dmp

Filesize
64KB

Download
memory/4640-140-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-141-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-142-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download
memory/4640-143-0x00007FFC88D70000-0x00007FFC88D80000-memory.dmp

Filesize
64KB

Download