wannacry | 47bceae28935000f36b5a8f21d930d31c58c5177a6e43bd2bd9f607ed17ba728

General

Target

2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Size

5.0MB
MD5

e71fa580b99c50c4e1f59312313c5e03
SHA1

34e2f4086eaf068a9474fb098d9f4baece670969
SHA256

47bceae28935000f36b5a8f21d930d31c58c5177a6e43bd2bd9f607ed17ba728
SHA512

08d2b1aa33ecc67a6e5f2c155c53977e12fdd406bb4486e4a66cd6f85488bfb8334aac953f2a61501df88d1174fdafbb946efb4f50c7ac8b1e5d9105b2888643
SSDEEP

49152:QnsQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:Q/qPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3306) 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 opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\PH2LJ82G.txt	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\L9B91KT2.txt	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\L9B91KT2.txt	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\PH2LJ82G.txt	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37888DDF-6091-4EEE-8BFB-AE7397214806}\WpadDecisionTime = 709327fb5051db01	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37888DDF-6091-4EEE-8BFB-AE7397214806}\52-e5-87-71-98-bb	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e5-87-71-98-bb\WpadDecisionTime = 709327fb5051db01	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37888DDF-6091-4EEE-8BFB-AE7397214806}\WpadDecisionReason = "1"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37888DDF-6091-4EEE-8BFB-AE7397214806}\WpadDecision = "0"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e5-87-71-98-bb\WpadDecision = "0"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e5-87-71-98-bb\WpadDecisionReason = "1"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37888DDF-6091-4EEE-8BFB-AE7397214806}	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37888DDF-6091-4EEE-8BFB-AE7397214806}\WpadNetworkName = "Network 3"	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e5-87-71-98-bb	2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2800

C:\Users\Admin\AppData\Local\Temp\2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-18_e71fa580b99c50c4e1f59312313c5e03_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2136

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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