84e56dced26532cff2399fb515790fa1a015395f0952bb4141d7b5e937e71caf

Analysis

max time kernel
167s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:31

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General

Target

100c38f2faf6e15fdc2241b63321bb90.pdf
Size

74KB
MD5

100c38f2faf6e15fdc2241b63321bb90
SHA1

10ec7044e4113704ea8c1770d96dbbc4c6f69288
SHA256

84e56dced26532cff2399fb515790fa1a015395f0952bb4141d7b5e937e71caf
SHA512

246a1412aa95387c81001a9469e4e19be62c5477e402b2b1358f4703e3ca51b4b9c9a813d5db3fa858767956e09a1122bc94565f89c0979dd644c3fb60f265db
SSDEEP

1536:+L2vl6fXcU6XvRx7z2wlEfm1DDWypOlL/2QEqFW6LZzAjG5Myb:i4wfcbbzjlEg8lLfFVAif

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
2912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2912	AcroRd32.exe
2912	AcroRd32.exe
2912	AcroRd32.exe
2912	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2076	2912	AcroRd32.exe	107
PID 2912 wrote to memory of 2076	2912	AcroRd32.exe	107
PID 2912 wrote to memory of 2076	2912	AcroRd32.exe	107
PID 2912 wrote to memory of 752	2912	AcroRd32.exe	108
PID 2912 wrote to memory of 752	2912	AcroRd32.exe	108
PID 2912 wrote to memory of 752	2912	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\100c38f2faf6e15fdc2241b63321bb90.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2912
- 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:2076
- 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:752

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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