76946869ce5dcf07dd7b1f30a7407d9cd9bc728f3c0e7975f7314deee56cf205

Analysis

max time kernel
169s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 17:32

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General

Target

3aa48547ee3323fe0fb99746bfdf8b50.pdf
Size

286KB
MD5

3aa48547ee3323fe0fb99746bfdf8b50
SHA1

b2b71243948583f5027910615b304fe79fc29193
SHA256

76946869ce5dcf07dd7b1f30a7407d9cd9bc728f3c0e7975f7314deee56cf205
SHA512

671dd062f4f409e82bcafb9a55b491c0113e9db9d94cd58e4ac390d81a9b8e8c9e275755fa5e80fae144f38e7e0d219b9f88b4ca6cd22b1579adda385ef30cd2
SSDEEP

6144:CC0Bh0AfNRRjL9Ed8gCLzHJ4Nav3qm37WzcBH/0OuZVlfT/9A:8BSyR95gESU60/fxuZrL6

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
3280	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3280	AcroRd32.exe
3280	AcroRd32.exe
3280	AcroRd32.exe
3280	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4904	3280	AcroRd32.exe	109
PID 3280 wrote to memory of 4904	3280	AcroRd32.exe	109
PID 3280 wrote to memory of 4904	3280	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\3aa48547ee3323fe0fb99746bfdf8b50.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3280
- 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:4904

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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