wannacry | e2c9ad058386f27e5b69c734fa345cfe335d6ee9c8e09ca2275c6d1a3862e411

General

Target

2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Size

5.0MB
MD5

1fa7507ba7e3c483184c331cca635107
SHA1

2eb9f968963340bcb2e14b7bbba1f6609f8dc0d2
SHA256

e2c9ad058386f27e5b69c734fa345cfe335d6ee9c8e09ca2275c6d1a3862e411
SHA512

4101cf048344f219d4ad1a4a9ee0568d9854991236cbac49b2c274bbb23ee7c0827817f09da28c9c030a2290c08b23a104727df3b2afc0c29299e4e4bad66da9
SSDEEP

49152:QnoQqMSPbcBVQejdINRx+TSqTdX1HkQo6SAARdh:QbqPoBh5aRxcSUDk36SAEdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3232) 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

Processes:

2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3ZGFIIWR.txt	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3ZGFIIWR.txt	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FVBSR6Z5.txt	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FVBSR6Z5.txt	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-76-77-7f-33-5b\WpadDecisionReason = "1"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-76-77-7f-33-5b\WpadDecisionTime = 505878a521dcda01	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0103000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4125397-A7F8-4282-9D89-31BAAAA5C6B3}	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4125397-A7F8-4282-9D89-31BAAAA5C6B3}\WpadDecision = "0"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-76-77-7f-33-5b\WpadDecision = "0"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4125397-A7F8-4282-9D89-31BAAAA5C6B3}\WpadNetworkName = "Network 3"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-76-77-7f-33-5b	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4125397-A7F8-4282-9D89-31BAAAA5C6B3}\ae-76-77-7f-33-5b	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4125397-A7F8-4282-9D89-31BAAAA5C6B3}\WpadDecisionReason = "1"	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4125397-A7F8-4282-9D89-31BAAAA5C6B3}\WpadDecisionTime = 505878a521dcda01	2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2452

C:\Users\Admin\AppData\Local\Temp\2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-22_1fa7507ba7e3c483184c331cca635107_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2412

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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