e2fd54144467597fe4c42f3e7aa9f09e8f12d6b41eaedfac8ac823230f898165

Analysis

max time kernel
161s
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
05-01-2024 04:15

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General

Target

42bbbe888ee48eb9ef5b949f9cb4eccb.pdf
Size

69KB
MD5

42bbbe888ee48eb9ef5b949f9cb4eccb
SHA1

461225d83a5bca584a330ee843025d6c17da2878
SHA256

e2fd54144467597fe4c42f3e7aa9f09e8f12d6b41eaedfac8ac823230f898165
SHA512

5a1263a980038685db38fa6cacceb1ee6cd5ab3105c596e42f92541b43da54e8f258d5795a18f86fce0889352d390ae525f125d50be3f05267dc5c23ec9ce155
SSDEEP

1536:lEts9N9vFfMGyxOjyb+Jah0ULqL+KWzT7vYOVuTy5blJkfXzYSF:Zd5MTQjy46vKqXvn73qXpF

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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 SetWindowsHookEx 5 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3592	4380	AcroRd32.exe	105
PID 4380 wrote to memory of 3592	4380	AcroRd32.exe	105
PID 4380 wrote to memory of 3592	4380	AcroRd32.exe	105

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\42bbbe888ee48eb9ef5b949f9cb4eccb.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380
- 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:3592

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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