Malware Analysis Report

2024-08-06 16:36

Sample ID 240602-ppsshadc99
Target 2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry
SHA256 efad37296a8d791d1a9e973de704a2d4041bb12ed1e707d6032788094e433f1c
Tags
wannacry ransomware worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

efad37296a8d791d1a9e973de704a2d4041bb12ed1e707d6032788094e433f1c

Threat Level: Known bad

The file 2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry was found to be: Known bad.

Malicious Activity Summary

wannacry ransomware worm

Wannacry

Executes dropped EXE

Drops file in System32 directory

Drops file in Windows directory

Unsigned PE

Modifies data under HKEY_USERS

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-02 12:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 12:30

Reported

2024-06-02 12:33

Platform

win7-20240220-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.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 System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\tasksche.exe C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-d3-c0-83-27-c3\WpadDecision = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-d3-c0-83-27-c3 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBD2E8A4-5F4B-4FFA-BA53-285F199F15D1}\5e-d3-c0-83-27-c3 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBD2E8A4-5F4B-4FFA-BA53-285F199F15D1}\WpadDecisionReason = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBD2E8A4-5F4B-4FFA-BA53-285F199F15D1}\WpadNetworkName = "Network 3" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBD2E8A4-5F4B-4FFA-BA53-285F199F15D1}\WpadDecisionTime = 60483cb0e8b4da01 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBD2E8A4-5F4B-4FFA-BA53-285F199F15D1}\WpadDecision = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-d3-c0-83-27-c3\WpadDecisionReason = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-d3-c0-83-27-c3\WpadDecisionTime = 60483cb0e8b4da01 C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBD2E8A4-5F4B-4FFA-BA53-285F199F15D1} C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe"

C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe -m security

C:\WINDOWS\tasksche.exe

C:\WINDOWS\tasksche.exe /i

Network

Country Destination Domain Proto
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

Files

C:\Windows\tasksche.exe

MD5 7f7ccaa16fb15eb1c7399d422f8363e8
SHA1 bd44d0ab543bf814d93b719c24e90d8dd7111234
SHA256 2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd
SHA512 83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 12:30

Reported

2024-06-02 12:33

Platform

win10v2004-20240508-en

Max time kernel

131s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.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\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe"

C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3cd187e7ffd097d63f5e2a677e39b3e_wannacry.exe -m security

C:\WINDOWS\tasksche.exe

C:\WINDOWS\tasksche.exe /i

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4196,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com udp
US 104.16.166.228:80 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com tcp
US 104.16.166.228:80 www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.166.16.104.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

C:\Windows\tasksche.exe

MD5 7f7ccaa16fb15eb1c7399d422f8363e8
SHA1 bd44d0ab543bf814d93b719c24e90d8dd7111234
SHA256 2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd
SHA512 83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7