d781b31a3bdb566875cc1b4a1e0c753d81e7f6be7f00015fc854f0f51a581d79

Analysis

max time kernel
164s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 08:56

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General

Target

NEAS.95a4151306b505c2a6c458f603aa7cd0.pdf
Size

148KB
MD5

95a4151306b505c2a6c458f603aa7cd0
SHA1

e1024546ca5eb8c550777474779037469a07c8b8
SHA256

d781b31a3bdb566875cc1b4a1e0c753d81e7f6be7f00015fc854f0f51a581d79
SHA512

d988a924b64fe4f3e8144ae985a5544af57c7410a5e5ee79c6546de189a64c162ebefb88858946bd7a2dda42da154953f806fe36574312b3ea4afbab53727ffc
SSDEEP

3072:OwPpi56CLq0bahjnvBmH7mJjZmfRkQ+ouNeEANJUvrdLLifg:9XsKjnvB+mif+nouaw

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2692	1652	AcroRd32.exe	109
PID 1652 wrote to memory of 2692	1652	AcroRd32.exe	109
PID 1652 wrote to memory of 2692	1652	AcroRd32.exe	109

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\NEAS.95a4151306b505c2a6c458f603aa7cd0.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652
- 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:2692

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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