396fa41e0315163aa2cb41de41ac7ab89047483b0106e3f0fb1a4db3cb86f1e6

Analysis

max time kernel
178s
max time network
189s
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, 13:25

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General

Target

37eea4beba9bcff84a4f72cbed2305e1.pdf
Size

31KB
MD5

37eea4beba9bcff84a4f72cbed2305e1
SHA1

de59d73304a472b18e5f1750d0f0d3cddd4dd03a
SHA256

396fa41e0315163aa2cb41de41ac7ab89047483b0106e3f0fb1a4db3cb86f1e6
SHA512

9887cbc6d9d67f548b20572c24c154f3172260ee641211b39b82b27b780fed6b67e5f681acacc1a62c196eb13f8e5e27c9233a46d1012533b9a476f84b9455d9
SSDEEP

768:t2rL6YSkzNZBSlDARHUqfmkbiS9ki5C2OiQ:ttHGNZBSlDARHdfJbiskijhQ

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
4776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 1832	4776	AcroRd32.exe	109
PID 4776 wrote to memory of 1832	4776	AcroRd32.exe	109
PID 4776 wrote to memory of 1832	4776	AcroRd32.exe	109
PID 4776 wrote to memory of 332	4776	AcroRd32.exe	110
PID 4776 wrote to memory of 332	4776	AcroRd32.exe	110
PID 4776 wrote to memory of 332	4776	AcroRd32.exe	110

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\37eea4beba9bcff84a4f72cbed2305e1.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776
- 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:1832
- 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:332

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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