wannacry | 078676ef4ddababb68d479c70d987caf7b8612d72200f771086d4f77b24087a8

General

Target

2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Size

5.0MB
MD5

71d61fe1bdd044f6ab905b8c2b8aa080
SHA1

8f145916b2b172895fbebf21c44967b781126c9b
SHA256

078676ef4ddababb68d479c70d987caf7b8612d72200f771086d4f77b24087a8
SHA512

e84f7d82ae700be5fbd46f899b70eb413ab4e886fea6205844d053a28ff7a89d81e55ca6011a0997da374a2abb0aa7b92b57251537f084086ab97c1cab91258a
SSDEEP

12288:GQbLgmluCtgQbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+:tbLgurgDdmMSirYbcMNgef0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3200) 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:

2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\RD13Q8UW.txt	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\RD13Q8UW.txt	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JB9J5L9Q.txt	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JB9J5L9Q.txt	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E931CCE-800B-4D6F-8E31-3415D806BBF9}\WpadDecisionReason = "1"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E931CCE-800B-4D6F-8E31-3415D806BBF9}\WpadDecision = "0"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E931CCE-800B-4D6F-8E31-3415D806BBF9}\WpadNetworkName = "Network 3"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-91-18-e2-ec	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-91-18-e2-ec\WpadDecisionReason = "1"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E931CCE-800B-4D6F-8E31-3415D806BBF9}	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E931CCE-800B-4D6F-8E31-3415D806BBF9}\d6-a6-91-18-e2-ec	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E931CCE-800B-4D6F-8E31-3415D806BBF9}\WpadDecisionTime = 309042e2a3e5da01	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-91-18-e2-ec\WpadDecisionTime = 309042e2a3e5da01	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-91-18-e2-ec\WpadDecision = "0"	2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3028

C:\Users\Admin\AppData\Local\Temp\2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-03_71d61fe1bdd044f6ab905b8c2b8aa080_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:636

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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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