eec4363a9d04d10c10a90c92952712ae9232354b601451ee77211cd26aade445

Analysis

max time kernel
163s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:14

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General

Target

11aed99f99e2e18f6eeab111073c77d1.pdf
Size

91KB
MD5

11aed99f99e2e18f6eeab111073c77d1
SHA1

8bc118836a1bca6d31be7278261ebebfba964fbc
SHA256

eec4363a9d04d10c10a90c92952712ae9232354b601451ee77211cd26aade445
SHA512

a72b65cc9d3718d3a8651b80342dc7bc4106f57311c46b94c7cf9562290ead1f9ef2f05b8f6077a41521fa88446dad6a1a8bd380880be768cab248243cab7f46
SSDEEP

1536:k3d03ARAJ4KYrnsbOYiv4t7dSASb11j6bF7PLHKvSjCBWOpOwrKWlWsLl/PxPzH:B3ARAO9rsbO9v434P6b9HKvx+wrPLdJz

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
4672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1012	4672	AcroRd32.exe	95
PID 4672 wrote to memory of 1012	4672	AcroRd32.exe	95
PID 4672 wrote to memory of 1012	4672	AcroRd32.exe	95

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\11aed99f99e2e18f6eeab111073c77d1.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4672
- 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:1012

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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