wannacry | 3d1c4d8e410b5486904fccde0e9a01820694e80d5f498c3e5f91e48dc9c21911

General

Target

2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Size

2.2MB
MD5

e20630152dca213d18f19b711484c2df
SHA1

d316448e0ddc3b63f8a249a3c508e9ed99e48169
SHA256

3d1c4d8e410b5486904fccde0e9a01820694e80d5f498c3e5f91e48dc9c21911
SHA512

d22c63dd5361c498109f6e7892d5bc3c65f6a4b5ce272e9525826fa8da540dc3de07dc2bb2e6fe15a9dc5947dff1ea27c6b6ca1f9b3b2cc2890d0f674eae262f
SSDEEP

49152:QnwMSPbcBVQej/+TSqTdX1HkQo6SAARdhnvn:QwPoBhrcSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3134) 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:

2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JZQP2S4J.txt	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JZQP2S4J.txt	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\PF5EDFD1.txt	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\PF5EDFD1.txt	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5FD75FEB-6BA3-4D54-82F0-9E3050919D56}\WpadDecisionTime = 807beb4589aeda01	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5FD75FEB-6BA3-4D54-82F0-9E3050919D56}\WpadDecision = "0"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5FD75FEB-6BA3-4D54-82F0-9E3050919D56}	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5FD75FEB-6BA3-4D54-82F0-9E3050919D56}\WpadNetworkName = "Network 3"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-3b-bb-11-98-3e\WpadDecision = "0"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5FD75FEB-6BA3-4D54-82F0-9E3050919D56}\3a-3b-bb-11-98-3e	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-3b-bb-11-98-3e\WpadDecisionReason = "1"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-3b-bb-11-98-3e\WpadDecisionTime = 807beb4589aeda01	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-3b-bb-11-98-3e	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5FD75FEB-6BA3-4D54-82F0-9E3050919D56}\WpadDecisionReason = "1"	2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2756

C:\Users\Admin\AppData\Local\Temp\2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-05-25_e20630152dca213d18f19b711484c2df_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2892

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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