5dd2914ed7c435b2bd5baa157a3bbb83eb9607d1abf033883a9255defb345a1a

Resubmissions

02-03-2023 04:39

230302-e97r2sbe84 3

Analysis

max time kernel
41s
max time network
45s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02-03-2023 04:39

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Report Analysis Logs

General

Target

URLUtils.class
Size

3KB
MD5

2cdebe57f5d5eda7060746902c39ebeb
SHA1

76aca37be5a3f878140e9679c733bac8253f1aca
SHA256

5dd2914ed7c435b2bd5baa157a3bbb83eb9607d1abf033883a9255defb345a1a
SHA512

c5d001e7e636f83f9689ab53bb6c8935fa314585ee55f5ed686c8995d05f2fc558d7c0cbfa4a65e118494f0e15dd478e83ee28956291d7f96242eb0647867b9f

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3600	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe
2596	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 3600	2596	OpenWith.exe	94
PID 2596 wrote to memory of 3600	2596	OpenWith.exe	94

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\URLUtils.class
1⤵
- Modifies registry class
PID:4832

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\URLUtils.class
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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