ffd38ff93833d08993d115d8bf0eb49ad0328ea629f1e835b1952212cc3eea32

Analysis

max time kernel
158s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 13:20

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General

Target

71decedd9fcb6ae0e6165184f69f9cf6.pdf
Size

93KB
MD5

71decedd9fcb6ae0e6165184f69f9cf6
SHA1

1ab0f0f1b4d749fa7a06117ea4ca3ddc02efa7e7
SHA256

ffd38ff93833d08993d115d8bf0eb49ad0328ea629f1e835b1952212cc3eea32
SHA512

ab0631f2e44b88dbe6b14bff6af3e25d472efe4329a0bc22335c448c81e58c1dbb4f32ecfe8e4bb1c61e35b80e1bfbaedce4da1df07047bcaf416b782b60079b
SSDEEP

1536:i9SHJMT8rQv/oGV/ghYgzTWaYLIrFSED3i83KyUhz6HBH5beA3UKWSfMW8pO73WS:4OY8NGV/+iaaIrFSDELHBZbvUAff7KJq

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
4912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 344	4912	AcroRd32.exe	110
PID 4912 wrote to memory of 344	4912	AcroRd32.exe	110
PID 4912 wrote to memory of 344	4912	AcroRd32.exe	110
PID 4912 wrote to memory of 3760	4912	AcroRd32.exe	111
PID 4912 wrote to memory of 3760	4912	AcroRd32.exe	111
PID 4912 wrote to memory of 3760	4912	AcroRd32.exe	111

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\71decedd9fcb6ae0e6165184f69f9cf6.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4912
- 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:344
- 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:3760

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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