b54da987a3e8feefcf0bab2254bc4cd0bc9472db586983dfa852df5b5f31b246

Analysis

max time kernel
171s
max time network
211s
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 19:32

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General

Target

盘管计算书/18650风量/注液间机组参数.pdf
Size

88KB
MD5

ccaf8b6b9472df2e5c00cd9efaa9dba7
SHA1

d2552166a5dd397f3aab94b5daa5bb2ccd6ebf03
SHA256

fdd2c59fba9f973cf47fc9ec3d3b0405b0bacda3428d77baa6e59e4b5ea955b4
SHA512

ce15bcf301ee5152501caf2c87926021552272588160d3812a2449d1c10482959c9d97e77daac6b3ed88e0d6301745dc2e2f9902cfb4b1a3a11f402cd166cafa
SSDEEP

1536:SziNLBnZfbLgb5zuEcEjthv6+EFsOJCkvGZUix:CcLBnZ3gb5zuEcEjvPEPwkQU8

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1500 AcroRd32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

1500 AcroRd32.exe
1500 AcroRd32.exe
1500 AcroRd32.exe
1500 AcroRd32.exe

pid	process
1500	AcroRd32.exe

pid	process
1500	AcroRd32.exe
1500	AcroRd32.exe
1500	AcroRd32.exe
1500	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 1500 wrote to memory of 2388	1500	AcroRd32.exe	RdrCEF.exe
PID 1500 wrote to memory of 2388	1500	AcroRd32.exe	RdrCEF.exe
PID 1500 wrote to memory of 2388	1500	AcroRd32.exe	RdrCEF.exe
PID 1500 wrote to memory of 3976	1500	AcroRd32.exe	RdrCEF.exe
PID 1500 wrote to memory of 3976	1500	AcroRd32.exe	RdrCEF.exe
PID 1500 wrote to memory of 3976	1500	AcroRd32.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\盘管计算书\18650风量\注液间机组参数.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
PID:2388

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
PID:3976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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/2388-132-0x0000000000000000-mapping.dmp

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memory/3976-133-0x0000000000000000-mapping.dmp

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