05a704e3c8f7792a17315080a21214a4448fd2452c1b0dd5226a3a55f90b58c3

Analysis

max time kernel
133s
max time network
141s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
27/06/2024, 22:24

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General

Target

sample.tar
Size

18.1MB
MD5

b2fc3f9862bc1145b1930fcc54d92918
SHA1

db0e396ee41835416e14754bb3a41681a573353a
SHA256

bd967a2215834709c323924dcc7d1d11ee83afd22b84d07b595444be52aad4b0
SHA512

0950796d6926157501c1d24fa136f06f0a75871d16b3aab85cafc22eedc38cd4cb3b4f20f8d1a5f518546aed7e7ff5745b19bf905f71cb5370361ecb7617f850
SSDEEP

98304:0x8Xaw7m2WQFm2662ZiVDYFLAE0ZJe+0H7IgVY3U3rUEnN+uvhu0UdBP2geFvU70:IIP8+RtuFUq9KidOs

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4796	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4920	OpenWith.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 64 IoCs

pid	Process
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe
4920	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4796	4920	OpenWith.exe	74
PID 4920 wrote to memory of 4796	4920	OpenWith.exe	74

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sample.tar
1⤵
- Modifies registry class
PID:2100

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sample.tar
  2⤵
  - Opens file in notepad (likely ransom note)
  - Suspicious use of FindShellTrayWindow
  PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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