bccaffaeb577f4ef6e7ce2ad33b83a1abb10fb6456aa668db256d951e5d9ee4d

Analysis

max time kernel
10s
max time network
11s
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 21:17

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General

Target

bccaffaeb577f4ef6e7ce2ad33b83a1abb10fb6456aa668db256d951e5d9ee4d.pdf
Size

122KB
MD5

6365d8f3ccce7b7056533b0fee6bd9c9
SHA1

90f66c93a88cdf2eddb4ca2156e9c485e42614e9
SHA256

bccaffaeb577f4ef6e7ce2ad33b83a1abb10fb6456aa668db256d951e5d9ee4d
SHA512

13174b3ca83df53f6c768f8f45a83f2e40678592332d5d47359a1712335aaeb47587a9fc19edc68583c1b4f3d9f7a5a844863bfda824f7e37726b9e71b6d147a
SSDEEP

1536:RoYQSU2oml64WkOF9gjZHTkmBigAC6wu7n3yDLaqMDetBBBNcT30nONYQQlvXIIq:LQ394SPgjZHTkiiPnCJtBBBNa3V4fNqF

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4020 AcroRd32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

4020 AcroRd32.exe
4020 AcroRd32.exe
4020 AcroRd32.exe
4020 AcroRd32.exe

pid	process
4020	AcroRd32.exe

pid	process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 4020 wrote to memory of 4072	4020	AcroRd32.exe	RdrCEF.exe
PID 4020 wrote to memory of 4072	4020	AcroRd32.exe	RdrCEF.exe
PID 4020 wrote to memory of 4072	4020	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\bccaffaeb577f4ef6e7ce2ad33b83a1abb10fb6456aa668db256d951e5d9ee4d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4020

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:4072

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/4072-132-0x0000000000000000-mapping.dmp

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