549a739cfbc172c81566c3c83d558ba248e037f5b9631cb8dd19ce07e0252fd0

Analysis

max time kernel
171s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 16:28

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General

Target

41593b99b70c4f8631c85d2364af7903.pdf
Size

48KB
MD5

41593b99b70c4f8631c85d2364af7903
SHA1

adc8b23f6ea22952d48593c54c2fc438615f95ce
SHA256

549a739cfbc172c81566c3c83d558ba248e037f5b9631cb8dd19ce07e0252fd0
SHA512

fb2d9984675ae97f2be6cfc1535de69141562ce0f8dfaec3d7140df91406a00249f2d36982c6273c2ed12d99a918b1bb4b2bdd5384c6a4b8aff9d92764b9c043
SSDEEP

768:4SMEZ4xYaGKW8yFwk7CGmOu3HpMB7JZRI5Jv4NaIXY07FAQS2sI:y698yyLNMJJ3+4a8Y0xUdI

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
3560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3560	AcroRd32.exe
3560	AcroRd32.exe
3560	AcroRd32.exe
3560	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 3008	3560	AcroRd32.exe	113
PID 3560 wrote to memory of 3008	3560	AcroRd32.exe	113
PID 3560 wrote to memory of 3008	3560	AcroRd32.exe	113

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\41593b99b70c4f8631c85d2364af7903.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3560
- 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:3008

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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