fc3e22571b387413d96f1cae6da905c0ece7306627fad81b972c3eff92230343

Analysis

max time kernel
165s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 23:24

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General

Target

51e86973180a1521b7aeb6bfcf1fb5c4.pdf
Size

88KB
MD5

51e86973180a1521b7aeb6bfcf1fb5c4
SHA1

303f82a42e908738d3d2385c687033107cd39f31
SHA256

fc3e22571b387413d96f1cae6da905c0ece7306627fad81b972c3eff92230343
SHA512

8e4aa6dc762e24e5d22ad77a83dd60ffe3293415fcce0a1b79696d9e55db34a58176ed1d23c1228a53b5134ab3927ef443d497aa80c41eeb352eb2fb7c2355f4
SSDEEP

1536:TH2pikNmfCEWcIaMEqI3AHDTah6ZVWlZZg4nAvj3ltitJ6mW7nqtWCpOViiXRaH+:z2pVs1ZMEDAHDTagylAvj3MJInq6Vife

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
5016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 316	5016	AcroRd32.exe	109
PID 5016 wrote to memory of 316	5016	AcroRd32.exe	109
PID 5016 wrote to memory of 316	5016	AcroRd32.exe	109
PID 5016 wrote to memory of 4352	5016	AcroRd32.exe	110
PID 5016 wrote to memory of 4352	5016	AcroRd32.exe	110
PID 5016 wrote to memory of 4352	5016	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\51e86973180a1521b7aeb6bfcf1fb5c4.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016
- 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:316
- 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:4352

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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