47f1de4eaeb9845201ce6c11ce62ae88b9c9898ca657b822f65720fc5b99c010

Analysis

max time kernel
94s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
27-05-2022 21:47

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General

Target

Customer Invoice_IN60001382851.pdf
Size

13KB
MD5

89ada40276f296e0cb96509ff090404e
SHA1

8479e7afdd2f8ced2a573193300de769624039a1
SHA256

47f1de4eaeb9845201ce6c11ce62ae88b9c9898ca657b822f65720fc5b99c010
SHA512

da43740d465a983c25e92d56f53fe9e0820913f54a88ac5a59a89086dae64e0cc2b156e917e0c8fb251cce6c9ffefe22b31a7e0b1e2a936e9002f7eeadf74a19

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-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AcroRd32.exe

pid process

2352 AcroRd32.exe
2352 AcroRd32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2352 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2352 AcroRd32.exe
2352 AcroRd32.exe
2352 AcroRd32.exe
2352 AcroRd32.exe
2352 AcroRd32.exe
2352 AcroRd32.exe

pid	process
2352	AcroRd32.exe
2352	AcroRd32.exe

pid	process
2352	AcroRd32.exe

pid	process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 2352 wrote to memory of 4084	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 4084	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 4084	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 3812	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 3812	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 3812	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 3820	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 3820	2352	AcroRd32.exe	RdrCEF.exe
PID 2352 wrote to memory of 3820	2352	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\Customer Invoice_IN60001382851.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: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:4084

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:3812

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:3820

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/3812-131-0x0000000000000000-mapping.dmp

Download
memory/3820-132-0x0000000000000000-mapping.dmp

Download
memory/4084-130-0x0000000000000000-mapping.dmp

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