wannacry | 1431a9b74aa7906066194048ccd9ded3e01e90ac367f0b5add43e42499a9fcb5

General

Target

2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Size

3.6MB
MD5

298db78b81d9b88153ec9257c3b16737
SHA1

8694fed1e852c4f9a9d9922f3e5f6a693268b285
SHA256

1431a9b74aa7906066194048ccd9ded3e01e90ac367f0b5add43e42499a9fcb5
SHA512

9776043df7e9dd513b17c30e92c8f3bfb7cbae1647805f93855b64c17aa31f7307ba536e499aa220de8bdb38503c9e425f0e7e47ad803ecc1eda4cb46c47a535
SSDEEP

49152:tnsEMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:hfPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3321) 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:

2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\T1FN66EO.txt	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\T1FN66EO.txt	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\04N7ZZ00.txt	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\04N7ZZ00.txt	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f005d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DAEF1C3-CE53-4BC3-918B-B2B79E5ED177}\WpadDecisionReason = "1"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DAEF1C3-CE53-4BC3-918B-B2B79E5ED177}\WpadDecisionTime = 3080f57c9994da01	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DAEF1C3-CE53-4BC3-918B-B2B79E5ED177}\WpadDecision = "0"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-34-3a-38-f7-ef	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-34-3a-38-f7-ef\WpadDecisionReason = "1"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-34-3a-38-f7-ef\WpadDecision = "0"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DAEF1C3-CE53-4BC3-918B-B2B79E5ED177}	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DAEF1C3-CE53-4BC3-918B-B2B79E5ED177}\WpadNetworkName = "Network 3"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DAEF1C3-CE53-4BC3-918B-B2B79E5ED177}\76-34-3a-38-f7-ef	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-34-3a-38-f7-ef\WpadDecisionTime = 3080f57c9994da01	2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1304

C:\Users\Admin\AppData\Local\Temp\2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-04-22_298db78b81d9b88153ec9257c3b16737_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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