957272b338b4d51c3495cadb04a77ff5face0bd49b608daab78e64ec41679955

Analysis

max time kernel
168s
max time network
174s
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, 01:19

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General

Target

09e18e3209995232b859b9c1f2e4940b.pdf
Size

71KB
MD5

09e18e3209995232b859b9c1f2e4940b
SHA1

6602d08be3b139178e2d8ac6e35ae945d2a9c2b5
SHA256

957272b338b4d51c3495cadb04a77ff5face0bd49b608daab78e64ec41679955
SHA512

293d28cef706ffcbfa8aa2e2a34f944b078e8c87bf527b42c92c8ee88781c709b8e398b33d661efc5671473faf99e0bb0d76d6ff745f529208e0ebd61d7a89e8
SSDEEP

1536:hZgdl76t2RLcrZNQLpqNt3HJSpUTWJjSeWypOlL+X0d7i/Zy:38lutCMZGt+3JiTSflL6i7iI

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
3712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 3424	3712	AcroRd32.exe	109
PID 3712 wrote to memory of 3424	3712	AcroRd32.exe	109
PID 3712 wrote to memory of 3424	3712	AcroRd32.exe	109
PID 3712 wrote to memory of 4492	3712	AcroRd32.exe	112
PID 3712 wrote to memory of 4492	3712	AcroRd32.exe	112
PID 3712 wrote to memory of 4492	3712	AcroRd32.exe	112

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\09e18e3209995232b859b9c1f2e4940b.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3712
- 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:3424
- 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:4492

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

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