Malware Analysis Report

2025-08-10 22:52

Sample ID 240107-x2r1qsdcb2
Target K&S.rar
SHA256 6a461cad219e15f5edb255cbdee3202c56adeb9ce1708c65696c8c2c53397819
Tags
pyinstaller
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral13

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral14

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral10

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral11

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral12

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

6a461cad219e15f5edb255cbdee3202c56adeb9ce1708c65696c8c2c53397819

Threat Level: Shows suspicious behavior

The file K&S.rar was found to be: Shows suspicious behavior.

Malicious Activity Summary

pyinstaller

Loads dropped DLL

Suspicious use of NtSetInformationThreadHideFromDebugger

Enumerates physical storage devices

Detects Pyinstaller

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Modifies registry class

Suspicious use of SetWindowsHookEx

Suspicious behavior: GetForegroundWindowSpam

Opens file in notepad (likely ransom note)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-07 19:22

Signatures

Detects Pyinstaller

pyinstaller
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win10v2004-20231215-en

Max time kernel

146s

Max time network

152s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
GB 96.17.179.50:80 tcp
US 52.111.229.43:443 tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
US 204.79.197.200:443 g.bing.com tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
GB 88.221.135.217:80 tcp
US 2.17.5.100:80 tcp
US 2.17.5.100:80 tcp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 48.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 68.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 8.179.17.96.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
GB 96.17.179.83:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 51.124.78.146:443 tcp
N/A 13.85.23.86:443 tcp
N/A 51.124.78.146:443 tcp
N/A 51.124.78.146:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
FR 2.18.109.167:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
N/A 13.85.23.86:443 tcp
N/A 13.85.23.86:443 tcp
N/A 13.85.23.86:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 13.95.31.18:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 13.85.23.86:443 tcp
N/A 13.85.23.86:443 tcp
N/A 13.95.31.18:443 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
US 8.8.8.8:53 udp
N/A 2.18.110.57:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 2.18.110.57:80 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 20.54.110.119:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
GB 88.221.135.217:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 88.221.134.17:80 tcp
GB 88.221.135.217:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
N/A 96.17.179.68:80 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
N/A 104.91.71.134:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.17.179.50:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.50:80 tcp
N/A 20.223.35.26:443 tcp
N/A 20.223.35.26:443 tcp
N/A 20.223.35.26:443 tcp
GB 96.17.179.50:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.17.179.50:80 tcp
GB 96.17.179.50:80 tcp

Files

N/A

Analysis: behavioral8

Detonation Overview

Reported

0001-01-01 00:00

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win7-20231215-en

Max time kernel

117s

Max time network

142s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\K&S.rar

Signatures

N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\K&S.rar

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win10v2004-20231222-en

Max time kernel

149s

Max time network

144s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\K&S.rar

Signatures

N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\K&S.rar

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.82.154.241:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.114.59.183:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 2.18.109.167:443 tcp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 20.82.154.241:443 tcp
N/A 20.114.59.183:443 tcp
N/A 20.114.59.183:443 tcp
N/A 20.114.59.183:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
NL 13.95.31.18:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.114.59.183:443 tcp
NL 13.95.31.18:443 tcp
N/A 20.114.59.183:443 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
US 8.8.8.8:53 udp
N/A 138.91.171.81:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.77:80 tcp
GB 96.17.179.77:80 tcp
GB 96.17.179.77:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.31.169.57:443 tcp
US 8.8.8.8:53 udp
US 2.17.5.100:80 tcp
US 2.17.5.100:80 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.54.110.119:443 tcp
US 8.8.8.8:53 udp
NL 13.95.31.18:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 52.111.229.43:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.48:80 tcp
N/A 88.221.134.48:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.48:80 tcp
N/A 88.221.134.48:80 tcp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.178.65:80 tcp
N/A 88.221.134.48:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.48:80 tcp
US 8.8.8.8:53 udp
N/A 87.248.204.0:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
N/A 88.221.134.48:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.48:80 tcp
N/A 88.221.134.48:80 tcp
N/A 88.221.134.48:80 tcp
N/A 87.248.204.0:80 tcp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.8:80 tcp
N/A 20.103.156.88:443 tcp
N/A 20.103.156.88:443 tcp
N/A 20.103.156.88:443 tcp
GB 96.17.179.8:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.17.179.8:80 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
GB 96.17.179.8:80 tcp
NL 13.95.31.18:443 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
GB 96.17.179.10:80 tcp
US 8.8.8.8:53 10.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 udp
GB 96.17.179.10:80 tcp
NL 13.95.31.18:443 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 96.17.179.10:80 tcp
GB 96.17.179.10:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 96.17.179.10:80 tcp
GB 96.17.179.10:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
GB 96.17.179.10:80 tcp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win7-20231129-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Slinky.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Slinky.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Slinky.exe

"C:\Users\Admin\AppData\Local\Temp\Slinky.exe"

C:\Users\Admin\AppData\Local\Temp\Slinky.exe

"C:\Users\Admin\AppData\Local\Temp\Slinky.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\_MEI25122\python39.dll

MD5 17aa1a684434f5b5d2b90ce39f1b23be
SHA1 da628bc84ae2f116f5c6fc0b26c0c6d4c6ea2e1b
SHA256 f0a5549d0d9f1f6935d80ad53c02b5beed58aaad9a9bb7a94d1baf25ad9f7bb1
SHA512 b51a5893564a2a94f4c74976a60d8187aabfe1d339707ba1f24b0c6594cef8cd79b9d4a4a2e8db5d0afcaeb2012ce1b59a81434050d49a10389cc9a43f23d526

\Users\Admin\AppData\Local\Temp\_MEI25122\python39.dll

MD5 03a635cd436a20cf700cbc9177ac1a0c
SHA1 0d2d975de9c6493d2437ef7d41f1999b7a3fd0c4
SHA256 428b0c54adf1d550a0ed0054d6e5a51b3f055200cd09444137c7e8c482b5458d
SHA512 10cafaaee2d06de8803d4a2b20879957a5c0e0ed67cd4493cef88f184c08032753812b250cf186131ec39aa28ef562455e62cf3a73e9e90b7514354cba32eb8f

Analysis: behavioral13

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:27

Platform

win7-20231215-en

Max time kernel

118s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinkyhook.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinkyhook.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral14

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win10v2004-20231222-en

Max time kernel

147s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinkyhook.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinkyhook.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 50.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 83.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
GB 96.17.178.83:80 tcp
GB 96.17.178.83:80 tcp
GB 96.17.178.83:80 tcp
GB 96.17.178.83:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Reported

0001-01-01 00:00

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win7-20231129-en

Max time kernel

121s

Max time network

122s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\ C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe

"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc"

Network

N/A

Files

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

MD5 c416a10009fa102db746325034ffc530
SHA1 177f36007d65af3a61778356da66e4df00b67d44
SHA256 48bddbb1f7e24a00c113bd8c2a570444dde22d366d20c1cc42b88d4f559f2620
SHA512 fb5687293afaaedb2a40724e8c8198f4cfbdeb8b5bdeb1cc5d2ab1bf637170b7c3b297b96bee2cbaeba6e1138a95f4f0b00cb256077099bed1d797c3f4d8896a

Analysis: behavioral10

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:24

Platform

win10v2004-20231215-en

Max time kernel

70s

Max time network

72s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 83.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 50.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 61.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 49.179.17.96.in-addr.arpa udp
GB 96.17.179.83:80 tcp

Files

N/A

Analysis: behavioral11

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win7-20231215-en

Max time kernel

119s

Max time network

130s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinky_library.dll,#1

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinky_library.dll,#1

Network

N/A

Files

memory/2672-0-0x000007FEF22E0000-0x000007FEF43A5000-memory.dmp

memory/2672-1-0x0000000077600000-0x0000000077602000-memory.dmp

memory/2672-3-0x0000000077600000-0x0000000077602000-memory.dmp

memory/2672-5-0x000007FEF22E0000-0x000007FEF43A5000-memory.dmp

memory/2672-7-0x0000000077600000-0x0000000077602000-memory.dmp

memory/2672-9-0x0000000077610000-0x0000000077612000-memory.dmp

memory/2672-8-0x0000000077450000-0x00000000775F9000-memory.dmp

memory/2672-11-0x0000000077610000-0x0000000077612000-memory.dmp

memory/2672-13-0x0000000077610000-0x0000000077612000-memory.dmp

memory/2672-14-0x000007FEF22E0000-0x000007FEF43A5000-memory.dmp

memory/2672-19-0x0000000077450000-0x00000000775F9000-memory.dmp

Analysis: behavioral12

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:27

Platform

win10v2004-20231215-en

Max time kernel

108s

Max time network

184s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinky_library.dll,#1

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\slinky_library.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/2772-0-0x00007FFB866A0000-0x00007FFB88765000-memory.dmp

memory/2772-1-0x00007FFBA67B0000-0x00007FFBA67B2000-memory.dmp

memory/2772-2-0x00007FFBA67C0000-0x00007FFBA67C2000-memory.dmp

memory/2772-3-0x00007FFB866A0000-0x00007FFB88765000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win7-20231215-en

Max time kernel

119s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Karma.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Karma.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Karma.exe

"C:\Users\Admin\AppData\Local\Temp\Karma.exe"

C:\Users\Admin\AppData\Local\Temp\Karma.exe

"C:\Users\Admin\AppData\Local\Temp\Karma.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\_MEI29162\python39.dll

MD5 1d5e4c20a20740f38f061bdf48aaca4f
SHA1 de1b64ab5219aa6fef95cd2b0ccead1c925fd0d0
SHA256 f8172151d11bcf934f2a7518cd0d834e3f079bd980391e9da147ce4cff72c366
SHA512 9df64c97e4e993e815fdaf7e8ecbc3ce32aa8d979f8f4f7a732b2efa636cfeb9a145fe2c2dcdf2e5e9247ee376625e1fdc62f9657e8007bb504336ac8d05a397

Analysis: behavioral9

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:26

Platform

win7-20231215-en

Max time kernel

119s

Max time network

127s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\edit C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pyc C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\ C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pyc\ = "pyc_auto_file" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\edit\command C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\open C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\open\command C:\Windows\system32\rundll32.exe N/A

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2244 wrote to memory of 2740 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 2244 wrote to memory of 2740 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 2244 wrote to memory of 2740 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 2740 wrote to memory of 2948 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\NOTEPAD.EXE
PID 2740 wrote to memory of 2948 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\NOTEPAD.EXE
PID 2740 wrote to memory of 2948 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\NOTEPAD.EXE

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\alansito_file.pyc

Network

N/A

Files

N/A