6446c42cf7a62f9d3cecc39578a4d18d350d00371a01cc424c700b0cbf8083f9

Analysis

max time kernel
19s
max time network
30s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2022 14:52

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General

Target

6446c42cf7a62f9d3cecc39578a4d18d350d00371a01cc424c700b0cbf8083f9.pdf
Size

550KB
MD5

6fbf46390aef7b26fe5e7dd44e7f3455
SHA1

de3f76ac6cfa0a335043230fbdbe51d39aae2784
SHA256

6446c42cf7a62f9d3cecc39578a4d18d350d00371a01cc424c700b0cbf8083f9
SHA512

2005889cbb5c1787dddc1d8f215c01da0e8674629adfb8bdbb9704c29489a8d547fac31091778cbb0032ac84b242cfde92d0b2f0ddda7aba9227538899c3b2a5
SSDEEP

12288:6LX3ak5mT8t3X0ZoYhSa3Mkvmj3YJt7/A8v/z:Sn5mAGPhz3Mk+joJtTAY

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

1508 AcroRd32.exe
1508 AcroRd32.exe
1508 AcroRd32.exe
1508 AcroRd32.exe
1508 AcroRd32.exe

pid	process
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 1508 wrote to memory of 1632	1508	AcroRd32.exe	RdrCEF.exe
PID 1508 wrote to memory of 1632	1508	AcroRd32.exe	RdrCEF.exe
PID 1508 wrote to memory of 1632	1508	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\6446c42cf7a62f9d3cecc39578a4d18d350d00371a01cc424c700b0cbf8083f9.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1508

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:1632

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/1632-132-0x0000000000000000-mapping.dmp

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