Malware Analysis Report

2024-10-19 07:30

Sample ID 240520-mgejssfc47
Target c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe
SHA256 c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2
Tags
wannacry ransomware worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2

Threat Level: Known bad

The file c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe was found to be: Known bad.

Malicious Activity Summary

wannacry ransomware worm

Wannacry

Executes dropped EXE

Drops file in Windows directory

Unsigned PE

Modifies data under HKEY_USERS

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-20 10:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-20 10:25

Reported

2024-05-20 10:26

Platform

win7-20240215-en

Max time kernel

0s

Max time network

1s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe

"C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-20 10:25

Reported

2024-05-20 10:26

Platform

win10v2004-20240508-en

Max time kernel

13s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe"

Signatures

Wannacry

ransomware worm wannacry

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\WINDOWS\tasksche.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\tasksche.exe C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe

"C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe"

C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe

C:\Users\Admin\AppData\Local\Temp\c94e6405266a5101501962b24eb1c43ad64e271eb3346e8889c610cec267eec2.exe -m security

C:\WINDOWS\tasksche.exe

C:\WINDOWS\tasksche.exe /i

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com udp
US 104.16.167.228:80 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com tcp
US 104.16.167.228:80 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 228.167.16.104.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp

Files

C:\Windows\tasksche.exe

MD5 d59d6d48c3d6e9292c296e557a186391
SHA1 7f0916d7befcf929521087cde11b6d94d7331154
SHA256 905ad8e2fc1f98ab1e934de1d01d85973291ccadd41c85ba1a7dcc3b2af6ed96
SHA512 7b2fc97070ac47e6596cfe0da96b1b1369feeb4ab62af136f172ee306187cee3e04b68b8f786d7b4b4dee49054d53a33cd8048abdc8cba9853b3e119a08ac23e