ac85b2ab5dbca7458af79a3d98d97ca4eb4880b23a0535d52d6a902d450edd58

Analysis

max time kernel
160s
max time network
173s
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, 07:53

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General

Target

12adbdaf42d0d1221df4db8c62fa8687.pdf
Size

45KB
MD5

12adbdaf42d0d1221df4db8c62fa8687
SHA1

51f7da6865fa09a50d37cb818ab6c0501b82fc37
SHA256

ac85b2ab5dbca7458af79a3d98d97ca4eb4880b23a0535d52d6a902d450edd58
SHA512

4117d6d4d5905cbd8590545a3f4895a1b38504f637d0c8ff7066ff79f54050672c69c5a297c9ecf49db7c4c7ffcc57ca6ee6b7591f9d3333f5812b682d145449
SSDEEP

768:gy2uWAcDP5ByKdJhER5YECu9v2/adggOPZWuRx7jGPE2KCJepg:gyfePTPETYEl4myPZWuRx7mBgg

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
4708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4708	AcroRd32.exe
4708	AcroRd32.exe
4708	AcroRd32.exe
4708	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 2340	4708	AcroRd32.exe	108
PID 4708 wrote to memory of 2340	4708	AcroRd32.exe	108
PID 4708 wrote to memory of 2340	4708	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\12adbdaf42d0d1221df4db8c62fa8687.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4708
- 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:2340

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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