41dcaf4c90164544df7f6355059f9d31534a72ddcd310729332ef1af1e304a29

Analysis

max time kernel
162s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
19-03-2022 13:18

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General

Target

The increasingly complicated Russia-Ukraine crisis explained.pdf
Size

8.2MB
MD5

5e528b8ba38496feea95a628061d0acb
SHA1

4fe483160449b7d8303809fa3c5f0afe0eae72f2
SHA256

1585d4432949acd29d160c0d0748c4e695d837c40e4bd5ed9a229c4437f96160
SHA512

266dbf7ca8839b9c658d261754d725cab9de1dfffa97eeb67f7adc8a7c78de3b82f1187302045e5c61264ac8dc754254df1d6ddb3f854611eb288a8b0a8d855d

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4728 AcroRd32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

4728 AcroRd32.exe
4728 AcroRd32.exe
4728 AcroRd32.exe
4728 AcroRd32.exe

pid	process
4728	AcroRd32.exe

pid	process
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 4728 wrote to memory of 2352	4728	AcroRd32.exe	RdrCEF.exe
PID 4728 wrote to memory of 2352	4728	AcroRd32.exe	RdrCEF.exe
PID 4728 wrote to memory of 2352	4728	AcroRd32.exe	RdrCEF.exe
PID 4728 wrote to memory of 1560	4728	AcroRd32.exe	RdrCEF.exe
PID 4728 wrote to memory of 1560	4728	AcroRd32.exe	RdrCEF.exe
PID 4728 wrote to memory of 1560	4728	AcroRd32.exe	RdrCEF.exe

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\The increasingly complicated Russia-Ukraine crisis explained.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4728

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:2352

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:1560

Network

MITRE ATT&CK Enterprise v6

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 v6

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