934f8bee311c8f374fa108383e6f82666e09b921174ea86137d4418eb3f2158f

Analysis

max time kernel
155s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:36

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General

Target

2697bf7852a168c255beae4d9dcfd81f.pdf
Size

35KB
MD5

2697bf7852a168c255beae4d9dcfd81f
SHA1

5b7d336d06e7f6dc55512c68bfebd18ed6a2e559
SHA256

934f8bee311c8f374fa108383e6f82666e09b921174ea86137d4418eb3f2158f
SHA512

96453f81f914e4c93a7f0ef4501133adbc61ba034b8dcbb491796ac074d28a1ea8b486ac0b79a910ae1759cd7c532c7d68e86f538b41982e94ddcd297d492272
SSDEEP

768:qeWyEHnegadLKsCinFEbXz1FPjsqMg7SobqZOCOzZ++Fllllr5DL9Fukg0:quEegadLyUFyj1tJMsS3OFFrtBwkg0

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
4476	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 3304	4476	AcroRd32.exe	108
PID 4476 wrote to memory of 3304	4476	AcroRd32.exe	108
PID 4476 wrote to memory of 3304	4476	AcroRd32.exe	108

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\2697bf7852a168c255beae4d9dcfd81f.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4476
- 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:3304

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

Windows 7 deprecation

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