821262d61be2a34e94532e45837a1ec59d5a2832f7e4fb56b115e97433252ac3

Analysis

max time kernel
164s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 09:29

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General

Target

407f3a12c2595b6c9e0f64fbff936f66.pdf
Size

88KB
MD5

407f3a12c2595b6c9e0f64fbff936f66
SHA1

c33026c98b89aa8bcf2618871ade0971155558d1
SHA256

821262d61be2a34e94532e45837a1ec59d5a2832f7e4fb56b115e97433252ac3
SHA512

ca8b2250977e4781df8b46bd2eafbd49e9609efbfac90acca1fc92def25f902aaa5103b20f4a04ffff6a51973f31d5127002bf4b7d810b0b05e2a26fa4743395
SSDEEP

1536:NiT7Juk7C0mNXkveYszG/bg1v5Yih6JWYpO2ynWdxRWnm/YvinRvld+IRm:2VRmB2eYsCE1v5Yih6g2Fdgw+MRvlAL

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 FindShellTrayWindow 1 IoCs

pid	Process
2044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4156	2044	AcroRd32.exe	109
PID 2044 wrote to memory of 4156	2044	AcroRd32.exe	109
PID 2044 wrote to memory of 4156	2044	AcroRd32.exe	109
PID 2044 wrote to memory of 4384	2044	AcroRd32.exe	110
PID 2044 wrote to memory of 4384	2044	AcroRd32.exe	110
PID 2044 wrote to memory of 4384	2044	AcroRd32.exe	110

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\407f3a12c2595b6c9e0f64fbff936f66.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044
- 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:4156
- 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:4384

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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