8675b3158ff509ccc2fbbf768c2b8ea5435626e9383b474ae2a08a303bc07efe

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
28/08/2023, 01:14

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General

Target

fragment.pyc
Size

49KB
MD5

83ef755c82493970454d684b17e267da
SHA1

858b6ff36af082786b8e586b46ed56f8502f2cc5
SHA256

a158bdbdb76d66d2e6793c273507ca11e69b8c8f607e4207e080964d24975de1
SHA512

2e62cfbb2a118e128410d026bd620a42c18498c2b157b8c74db358f4fdede70bd8d8f257bdafbf9fe960416e88181600d98870081c3c6382d16bea4384d9951d
SSDEEP

1536:t9MWkg+E5uZnK7SBx4Z1ScGF8RDaVqNeDlhLxFUSgeC:3+E5ekSB+pzRDwUaC

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-1-5-21-3011986978-2180659500-3669311805-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4428	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4660	OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe
4660	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 4428	4660	OpenWith.exe	92
PID 4660 wrote to memory of 4428	4660	OpenWith.exe	92

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fragment.pyc
1⤵
- Modifies registry class
PID:4568

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:4660
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\fragment.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4428

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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