a552a2c6f4030c33d2dda1fde2eb4f9dca8328a94a4d97e73ae80a6a5c70f206

Analysis

max time kernel
168s
max time network
178s
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, 05:18

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General

Target

0fd39a9b0ef0ff6576ee6bf021487126.pdf
Size

112KB
MD5

0fd39a9b0ef0ff6576ee6bf021487126
SHA1

9ca010fcbc3d066bf157f8934ab0dfd2405c58a2
SHA256

a552a2c6f4030c33d2dda1fde2eb4f9dca8328a94a4d97e73ae80a6a5c70f206
SHA512

db13c4e6f6d06f4e26690eb1e723b3da4dddd2df8b00e6fbc3986ea0fe71d9591384a75b76842f70f47ea472f5e3558f679db9466a7fccb386b8b94b426ce9f1
SSDEEP

1536:khDKiSH/MSs8FXXq9W/IRTq4L6A10iODU/aaJxdZlSBW1DNS5uYrYlljW3n/TLv5:QDukSs8ZIG49/t73lSyZJY9t2LSFTf

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
4276	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 4484	4276	AcroRd32.exe	106
PID 4276 wrote to memory of 4484	4276	AcroRd32.exe	106
PID 4276 wrote to memory of 4484	4276	AcroRd32.exe	106
PID 4276 wrote to memory of 1240	4276	AcroRd32.exe	107
PID 4276 wrote to memory of 1240	4276	AcroRd32.exe	107
PID 4276 wrote to memory of 1240	4276	AcroRd32.exe	107

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\0fd39a9b0ef0ff6576ee6bf021487126.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4276
- 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:4484
- 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:1240

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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