448e7bd7aef2de59736ecb7e4c84190aa4c7198f4ca6633cf1eb6ef0acb7f444

Analysis

max time kernel
161s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 08:17

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General

Target

43333d54fe51d4be57e032cd14e076fb.pdf
Size

103KB
MD5

43333d54fe51d4be57e032cd14e076fb
SHA1

67477341db507577643127aaaa7b59e9cb21d8b9
SHA256

448e7bd7aef2de59736ecb7e4c84190aa4c7198f4ca6633cf1eb6ef0acb7f444
SHA512

ef7a26af52ff1f68b63c530c3c30a5432d8feeb92835eb1a2d25a7b266d2c90ad1df8af94c715762f090ba1eb1d541b71add6b95c38a1814621e33ce317fdc67
SSDEEP

1536:WqzB1C9MkgTlF6i6noCLQ2/TxiqRG0Ugd20i53wdNTp1OHpXWpwVH0mDrE60Wmp4:B1Fkgf6ibCLQ2/TxkgZAuT6mZ36pS4

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 4876	4088	AcroRd32.exe	101
PID 4088 wrote to memory of 4876	4088	AcroRd32.exe	101
PID 4088 wrote to memory of 4876	4088	AcroRd32.exe	101
PID 4088 wrote to memory of 968	4088	AcroRd32.exe	106
PID 4088 wrote to memory of 968	4088	AcroRd32.exe	106
PID 4088 wrote to memory of 968	4088	AcroRd32.exe	106
PID 4088 wrote to memory of 4832	4088	AcroRd32.exe	110
PID 4088 wrote to memory of 4832	4088	AcroRd32.exe	110
PID 4088 wrote to memory of 4832	4088	AcroRd32.exe	110

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\43333d54fe51d4be57e032cd14e076fb.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4088
- 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:4876
- 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:968
- 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:4832

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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