21ec986c0ee755a897e79f409ef818c3c4e39e928eeee9e020a4858cb5bce583

Analysis

max time kernel
159s
max time network
168s
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, 00:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

225c3da0c80fed3b3c623c99f021f4be.pdf
Size

89KB
MD5

225c3da0c80fed3b3c623c99f021f4be
SHA1

735780c79397578265ee16b7ada7c4354ad6c91a
SHA256

21ec986c0ee755a897e79f409ef818c3c4e39e928eeee9e020a4858cb5bce583
SHA512

e2d6e5649656847b84df04def1695c269baa6d2b1d184321c62a3122cb3c4ce97899b15dda0dc6985a710c394949fa1783d98ceac91513e2915935ab5cb5bd4b
SSDEEP

1536:IrDUS3DMnfrf0CtVcSwpd265kDV1fP5ZWxApOG3kWG/grjYQq5:8US3Kfrf0cVc5w654bX5+3G3Pr0V

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
3752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3752	AcroRd32.exe
3752	AcroRd32.exe
3752	AcroRd32.exe
3752	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 3536	3752	AcroRd32.exe	110
PID 3752 wrote to memory of 3536	3752	AcroRd32.exe	110
PID 3752 wrote to memory of 3536	3752	AcroRd32.exe	110
PID 3752 wrote to memory of 4348	3752	AcroRd32.exe	111
PID 3752 wrote to memory of 4348	3752	AcroRd32.exe	111
PID 3752 wrote to memory of 4348	3752	AcroRd32.exe	111

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\225c3da0c80fed3b3c623c99f021f4be.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3752
- 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:3536
- 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:4348

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

Loading Replay Monitor...