bc415d1f0c8d8af1b02008f03788de7e073650893eec01296c537346b42f7244

Analysis

max time kernel
14s
max time network
17s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2022 21:06

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General

Target

bc415d1f0c8d8af1b02008f03788de7e073650893eec01296c537346b42f7244.pdf
Size

94KB
MD5

0323382619193827959ee85631f6043d
SHA1

f64e86177b5b5f8db8a78c346e2a165423b4a427
SHA256

bc415d1f0c8d8af1b02008f03788de7e073650893eec01296c537346b42f7244
SHA512

bc886c3ee371851b1152422f013b7b2563e3ca843fcbaf5e2a988718488e2bfbb1817327d12a3657db4ed5cc02e945e67076b17d5c89f60e73688010bd89c439
SSDEEP

1536:s3Orf9OoEPqFlpcTVrGxokqE/3wrqx8TnWOgQSawAgl4a+E7zQGBEkc4ryH:serf9nEUpOJGmTE/BaLJ4qE7EGbmH

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 FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

5068 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

5068 AcroRd32.exe
5068 AcroRd32.exe
5068 AcroRd32.exe
5068 AcroRd32.exe
5068 AcroRd32.exe

pid	process
5068	AcroRd32.exe

pid	process
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 5068 wrote to memory of 4812	5068	AcroRd32.exe	RdrCEF.exe
PID 5068 wrote to memory of 4812	5068	AcroRd32.exe	RdrCEF.exe
PID 5068 wrote to memory of 4812	5068	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\bc415d1f0c8d8af1b02008f03788de7e073650893eec01296c537346b42f7244.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5068

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:4812

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/4812-132-0x0000000000000000-mapping.dmp

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