71dbbbeb418305a7a16464a0558113d8d1227ce3f16d22dfc9d902a18b9eb8a6

Resubmissions

19/04/2024, 22:07

240419-11s37ahf3x 7

19/04/2024, 17:25

240419-vzr7lsbc91 7

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 22:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

prank.pyc
Size

36KB
MD5

1243364bbcf987a63cb6694971c04520
SHA1

33643f271f79e5675a93da0a297b20be43ea4e10
SHA256

afe6410e29ed5a28ae686fbc6075ad27abd6f4fcd8361f459fffff0e5a9323b2
SHA512

676468331a4b72e3407ec2827ac643371997a4821faf3ab906cf0535c6b9d596dab19730bb695f6c289abe209d5c18a9ced63c261202c40e7503173eff4dc219
SSDEEP

768:9KS0wO6wK6oI6An+XbfLXbv2J5b8ftvz9Oyd5PooooonooyWx8NJHu9:9KS05Opu+XbfLXbv2J5b8ft7r7Pooooq

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-1-5-21-4084619521-2220719027-1909462854-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3564	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 21 IoCs

pid	Process
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe
1596	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3564	1596	OpenWith.exe	96
PID 1596 wrote to memory of 3564	1596	OpenWith.exe	96

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\prank.pyc
1⤵
- Modifies registry class
PID:1944

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\prank.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3564

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

Loading Replay Monitor...