wannacry | 7f12f469b6abb6fa29ce5c5200d5a677c70975ac103478d11ebdbeb81b2fb0eb

Resubmissions

24-03-2024 05:04

240324-fqccgahh67 10

24-03-2024 04:06

240324-epewjahe65 10

24-03-2024 04:03

240324-emrsbahe43 10

24-03-2024 03:43

240324-d946gshc73 10

Analysis

max time kernel
1200s
max time network
1201s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-03-2024 04:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Size

3.6MB
MD5

4fe6ac7f3aa7690c523a4ae5dff31da4
SHA1

d86c9887fb7dfc216a467d6aa5a8d5b986495a89
SHA256

7f12f469b6abb6fa29ce5c5200d5a677c70975ac103478d11ebdbeb81b2fb0eb
SHA512

17d578d9661daf340e4dec29d65d22246e38a4aabce0b6fd7659a39a0896eb8d37f6951ff5a3a3b0ca843aff17731507af40dd26ce64617aa9670596b4624470
SSDEEP

98304:y763opJtK5ZcSUDcn6SAcdZvxWa9P593N:y763atKZcxcnZAcMadzN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (28693) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2612 tasksche.exe

pid	process
2612	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadDecision = "0"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\c2-a2-6e-cf-38-9f	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a2-6e-cf-38-9f\WpadDecisionTime = 00ceab58a17dda01	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a2-6e-cf-38-9f\WpadDecision = "0"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadNetworkName = "Network 3"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a2-6e-cf-38-9f\WpadDecisionReason = "1"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadDecisionTime = 00ceab58a17dda01	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a2-6e-cf-38-9f	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ef000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadDecisionReason = "1"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1964

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2612

C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-24_4fe6ac7f3aa7690c523a4ae5dff31da4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
2.3MB

MD5
a91f20eeab642821704216da54222f1a

SHA1
f7416c29bec4aa2fdb7b4f0be6aa68a978ec960c

SHA256
11141df99167222159b97088abc8e339fde240bf6f3ae2470d8ab0afa15288fd

SHA512
a9e2935a76aeb3e9e74c4dfa1d192e6d92462b8c6c6b25469da71b7c4a783a1a23f0217da95bdb5e3c21833ea44628342f4fe93800b312995ef1300bb8456c5c

Download Submit