2c8332b90bb894c9687fc76d7ddf333d3d1fe8c51f6ad24b5eb9987ad851fda6

Analysis

max time kernel
158s
max time network
172s
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 01:39

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General

Target

231688edae6871218c6e15366b993a3e.pdf
Size

85KB
MD5

231688edae6871218c6e15366b993a3e
SHA1

8159b97324dcf7c75d50443cc3fba939ec5117d7
SHA256

2c8332b90bb894c9687fc76d7ddf333d3d1fe8c51f6ad24b5eb9987ad851fda6
SHA512

f843336b58056952d445859267cbd58b4ec7cb7dc847c87a6120587f74145a07d9df501fb2c0c7e6f7b94378d4c5864d65f55dd842ec9601e55120c7f957b9b5
SSDEEP

1536:JJJktA3DTq2J+N5J1/E1d5jUrkKyVApdRoVb1LGDW6pOu26WLQ+/Rse6:n2tQD6N31/E1nnKuyd6b1LGIu2DZI

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
4904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 3376	4904	AcroRd32.exe	105
PID 4904 wrote to memory of 3376	4904	AcroRd32.exe	105
PID 4904 wrote to memory of 3376	4904	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\231688edae6871218c6e15366b993a3e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4904
- 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:3376

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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