3b2b0634fb4ae3560a47da3d0ba95ce6fe9a411023fea25aa0ebf2ec14ddbd8d

Analysis

max time kernel
221s
max time network
244s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f507f0e86856ac6e12d12cddfbe24fe2.pdf
Size

34KB
MD5

f507f0e86856ac6e12d12cddfbe24fe2
SHA1

7d2b9afb9d2c29d7eddd1895fea8742272e055f7
SHA256

3b2b0634fb4ae3560a47da3d0ba95ce6fe9a411023fea25aa0ebf2ec14ddbd8d
SHA512

237a6408ec5578317f92ea576013e85df00c7fcd40e36c64789c22942cdaa9cddb25bdff7287cd804c8c89396d6ec4f0751a80fde4a2ec79b56e0deb80f983fd
SSDEEP

768:58GufdOaBGvSc+DQOSOIqXVP4YWPy2V9QaFYXWLsSBp4AwW:58D1KUNSOlV7WPfV9X6XWLBgAwW

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe
648	AcroRd32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 1848	648	AcroRd32.exe	96
PID 648 wrote to memory of 1848	648	AcroRd32.exe	96
PID 648 wrote to memory of 1848	648	AcroRd32.exe	96
PID 648 wrote to memory of 4612	648	AcroRd32.exe	99
PID 648 wrote to memory of 4612	648	AcroRd32.exe	99
PID 648 wrote to memory of 4612	648	AcroRd32.exe	99
PID 648 wrote to memory of 2908	648	AcroRd32.exe	103
PID 648 wrote to memory of 2908	648	AcroRd32.exe	103
PID 648 wrote to memory of 2908	648	AcroRd32.exe	103
PID 648 wrote to memory of 1288	648	AcroRd32.exe	104
PID 648 wrote to memory of 1288	648	AcroRd32.exe	104
PID 648 wrote to memory of 1288	648	AcroRd32.exe	104
PID 648 wrote to memory of 2308	648	AcroRd32.exe	105
PID 648 wrote to memory of 2308	648	AcroRd32.exe	105
PID 648 wrote to memory of 2308	648	AcroRd32.exe	105

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\f507f0e86856ac6e12d12cddfbe24fe2.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:648
- 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:1848
- 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:4612
- 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:2908
- 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:1288
- 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:2308

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit