1739daa2526c9eafbc94187dcec3289a550fca169d0a2b0d6b48e23e4aa33d1d

max time kernel
56s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 10:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

w3.org dummy.pdf
Size

12KB
MD5

2942bfabb3d05332b66eb128e0842cff
SHA1

90ffd2359008d82298821d16b21778c5c39aec36
SHA256

3df79d34abbca99308e79cb94461c1893582604d68329a41fd4bec1885e6adb4
SHA512

f3b3ab3e6351e25b5c1882bea8d37efaddc0ea72bf153bb067688f775a26810d32b54f014bf1cebc7fe93042d85b18b5b453e322d154bc55d5cc2754b0dfb4b2
SSDEEP

384:8Xdp2nmyTBbQDcv6ZxmiiYcIWyGqBRnfU/LaLvWB27:G8mibQDcvSxm14Wy95fU/2TWk

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 2 IoCs

ransomware

pid	Process
2576	NOTEPAD.EXE
1432	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1432	1736	cmd.exe	108
PID 1736 wrote to memory of 1432	1736	cmd.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\w3.org dummy.pdf"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3256

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\test.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:2576

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3580

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\test.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Desktop\test.txt

Filesize
4B

MD5
098f6bcd4621d373cade4e832627b4f6

SHA1
a94a8fe5ccb19ba61c4c0873d391e987982fbbd3

SHA256
9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

SHA512
ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff

Download Submit