wannacry | 3bef7ac238b5dc3ce41f163ecec3f9acd387baa3d57edf6e43477c0f33e0a457

General

Target

2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Size

5.0MB
MD5

311a4c61fbc0408995f836d9be1003b0
SHA1

8f41eb3f4c5b34e6e41130dc07907c625794381d
SHA256

3bef7ac238b5dc3ce41f163ecec3f9acd387baa3d57edf6e43477c0f33e0a457
SHA512

8f5fc97251db025c7d064577404a3ac02a2dd9e582c09a4d735a5da2b12b6f611fa9d7c0df804315d57ca72fabaa99d471a4ee75d5654c5a883df8424bde375e
SSDEEP

12288:e1bLgmluCtgQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjE:QbLgurgQhfdmMSirYbcMNgef0QeQ

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3216) 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

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Z4QRB899.txt	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Z4QRB899.txt	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\R057SYS2.txt	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\R057SYS2.txt	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D9BE269A-73D7-4AFC-8926-2DFE4EB5B644}\WpadDecisionTime = 602c73b57ebdda01	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-b3-84-a2-53-07\WpadDecision = "0"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D9BE269A-73D7-4AFC-8926-2DFE4EB5B644}\2a-b3-84-a2-53-07	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D9BE269A-73D7-4AFC-8926-2DFE4EB5B644}\WpadDecision = "0"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-b3-84-a2-53-07	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D9BE269A-73D7-4AFC-8926-2DFE4EB5B644}	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D9BE269A-73D7-4AFC-8926-2DFE4EB5B644}\WpadDecisionReason = "1"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-b3-84-a2-53-07\WpadDecisionReason = "1"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-b3-84-a2-53-07\WpadDecisionTime = 602c73b57ebdda01	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D9BE269A-73D7-4AFC-8926-2DFE4EB5B644}\WpadNetworkName = "Network 3"	2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2820

C:\Users\Admin\AppData\Local\Temp\2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-13_311a4c61fbc0408995f836d9be1003b0_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

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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