c53e23e7371c8d8840a56cfb2be547431e110f930640c58821b2ae06fcb5a67c

Analysis

max time kernel
200s
max time network
215s
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, 23:56

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General

Target
20c97140a742c424d9b1fccf22374350.pdf
Size 34KB
Sample231230-3zdcfsbbg8
SHA256 c53e23e7371c8d8840a56cfb2be547431e110f930640c58821b2ae06fcb5a67c
MD5 20c97140a742c424d9b1fccf22374350
SHA1 fe55d59339ca4aab82635ed67d5e018f2af0a4fa
SHA512 0d4428b8fd9c0e7a6f516c2bfb753290022ee4c8c9c690c3c6f207f437725fee99d13c292291ccb658bc12974b4267e812318c3e57aaf46e95179616bea0dbf5
SSDEEP 768:60g8rg7/V2s7+ursvlqcRa+PSycbglYsoellJCux3D:IQUdn+uSlHRZcbCjCux3D
MD5 SHA1 SHA512 SSDEEP

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 use of FindShellTrayWindow 1 IoCs

pid	Process
4888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 3380	4888	AcroRd32.exe	101
PID 4888 wrote to memory of 3380	4888	AcroRd32.exe	101
PID 4888 wrote to memory of 3380	4888	AcroRd32.exe	101

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\20c97140a742c424d9b1fccf22374350.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4888
- 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:3380

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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