596c8926033b311dba78f87d5c1693e80e7b7b3f593bef0b1b051ce7e971fc19

Analysis

max time kernel
162s
max time network
176s
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, 21:46

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General

Target

1d7e363a74a0c4704d0f60aeb42e535e.pdf
Size

87KB
MD5

1d7e363a74a0c4704d0f60aeb42e535e
SHA1

c158e463f4aff1edeab1d4f30be8acbc497d3a8d
SHA256

596c8926033b311dba78f87d5c1693e80e7b7b3f593bef0b1b051ce7e971fc19
SHA512

0fc4e2cbf4a6f1f8f8fd7d306bc66e953333d259cdefcfcaa47208aa8d6623f6cf115dcfda5bf97e7bf9b968c6903081bb002fa759b704da9aea57acbc6daa7b
SSDEEP

1536:r364Eeg+E9oJqx11Ade/uSFD1Ldu0FaD8L8sHcwZVWypOlWWx/PZkTGOCnJ9f25F:m4EegjUS116e/uSF1LMjaatlD/P4Gnn2

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
1768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1768	AcroRd32.exe
1768	AcroRd32.exe
1768	AcroRd32.exe
1768	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1544	1768	AcroRd32.exe	107
PID 1768 wrote to memory of 1544	1768	AcroRd32.exe	107
PID 1768 wrote to memory of 1544	1768	AcroRd32.exe	107

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\1d7e363a74a0c4704d0f60aeb42e535e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768
- 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:1544

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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