1dfc1d4d32a892dc761a993ebdd5616a8251d8fe5005c20735783569e2e7618b

Analysis

max time kernel
165s
max time network
179s
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, 03:40

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General

Target

0d3e62efe07ddf8faa362d95b7aa7b16.pdf
Size

84KB
MD5

0d3e62efe07ddf8faa362d95b7aa7b16
SHA1

9feb19b1003a11f4961184eed297d0fecf9db57f
SHA256

1dfc1d4d32a892dc761a993ebdd5616a8251d8fe5005c20735783569e2e7618b
SHA512

ce55346d3d5f790b5d6a624984e97dd33f4af0fa2ba7a7046e80d3f9053c56ea7bb8bd74bb4c66a01994043b8b78120fc652873313bc34b2c238b3b665f525a1
SSDEEP

1536:O2mmNsTOiBdvmw0pMHqqxE5GIUn5Tk8/2jkqN1abt7NJnO11WapOtQHWFYEd0gDG:crTOudvmwaMHqtGIUnlkQ2pNCt/O1qtU

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
4588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 2984	4588	AcroRd32.exe	103
PID 4588 wrote to memory of 2984	4588	AcroRd32.exe	103
PID 4588 wrote to memory of 2984	4588	AcroRd32.exe	103
PID 4588 wrote to memory of 4288	4588	AcroRd32.exe	108
PID 4588 wrote to memory of 4288	4588	AcroRd32.exe	108
PID 4588 wrote to memory of 4288	4588	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\0d3e62efe07ddf8faa362d95b7aa7b16.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4588
- 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:2984
- 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:4288

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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