d1f46880389eb0b3819d5d5c1a4caf25a7342866151032eefecafe7892f7a97d

Analysis

max time kernel
166s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:12

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General

Target

11d9e8b2faac31dd83f860b6a7432f68.pdf
Size

274KB
MD5

11d9e8b2faac31dd83f860b6a7432f68
SHA1

8754aea385f22d4f82a989fbffad13349fb543af
SHA256

d1f46880389eb0b3819d5d5c1a4caf25a7342866151032eefecafe7892f7a97d
SHA512

31f2fe16e9182086ffab958d67c0122a6950e020e11be872f068ccb272cebda76a031452e10e353e36b0a26296c4e2e25d8ed07feec5f5a0d4bf0073ad7e2281
SSDEEP

6144:Vb2bOghHau/QcSXTsgEdtoaS75GXORPOuKSs3BUx3+76nZBpZ7:RcBH/QcqTstdt47lRmasxSBj7

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

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2228	2604	AcroRd32.exe	109
PID 2604 wrote to memory of 2228	2604	AcroRd32.exe	109
PID 2604 wrote to memory of 2228	2604	AcroRd32.exe	109

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\11d9e8b2faac31dd83f860b6a7432f68.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604
- 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:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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