1558e5e163919f9e6694ae160efa02f11fa781e6be90e2e8d8ca264b4519df81

Resubmissions

27-11-2024 18:23

241127-w1zhra1laj 10

27-11-2024 18:14

241127-wveamavjaw 10

Analysis

max time kernel
34s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 18:14

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General

Target

main.pyc
Size

7KB
MD5

793684cf2df4fe2a45014975fbadb918
SHA1

e96efa7ba483a6b6dc19275c6d18f246ac7ea174
SHA256

1558e5e163919f9e6694ae160efa02f11fa781e6be90e2e8d8ca264b4519df81
SHA512

824399d75293ad72190d7f95ca9ac9519b640c205c0edc60350e1842c1f1970c7af8020c07285e3cdd0e3440bee66d85a5a2b819f98c8d8f9fb9f17d4f8bfa08
SSDEEP

192:w7cLAVWfVr2QD8VSWdXwD+sgoEkyJhwPf2nMdwm4nw:CV4VSSWuKE22aPm4w

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 14 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	cmd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\ș\ = "pyc_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\.pyc	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell\open	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell\open\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\ș	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell\edit	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\pyc_auto_file\shell\edit\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\.pyc\ = "pyc_auto_file"	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

Processes:

NOTEPAD.EXE

pid	Process
4072	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OpenWith.exe

pid	Process
4728	OpenWith.exe

Suspicious use of SetWindowsHookEx 21 IoCs

Processes:

OpenWith.exe

pid	Process
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe
4728	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	Process	procid_target
PID 4728 wrote to memory of 4072	4728	OpenWith.exe	100
PID 4728 wrote to memory of 4072	4728	OpenWith.exe	100

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Modifies registry class
PID:2076

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:4728
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4072

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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