wannacry | 5d220e019660fbbd8ad49b387427027a89166ffbd7c869a929027452b3458ac1

General

Target

20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Size

5.0MB
MD5

fb65c104fda352d6d6f376f2067cec81
SHA1

366bed2b532d5b3bbc94dcf8e4310dd03d172f74
SHA256

5d220e019660fbbd8ad49b387427027a89166ffbd7c869a929027452b3458ac1
SHA512

b4e3366606bc481609df677902cb42be4a90dba6062c4f1c96a3b5aea62e82c3375b7bec7422e0edc93aea50d4664d16b53439bb3845c36c4cbed003c0b72ab0
SSDEEP

49152:QnnMSPbcBVQej/Nx+TSqTdX1HkQo6SAARdhnv:QnPoBhzNxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3292) 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 created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\YDISY4V9.txt	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\YDISY4V9.txt	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\T3L8HNCV.txt	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\T3L8HNCV.txt	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	20240930fb65c104fda352d6d6f376f2067cec81wannacry.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	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240930fb65c104fda352d6d6f376f2067cec81wannacry.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 = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0116000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72CF9A93-4269-4E72-B137-BBA14619602E}\WpadDecisionTime = 80ea8c566213db01	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72CF9A93-4269-4E72-B137-BBA14619602E}\WpadDecision = "0"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-5b-57-76-1a-82	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72CF9A93-4269-4E72-B137-BBA14619602E}\WpadDecisionReason = "1"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-5b-57-76-1a-82\WpadDecisionTime = 80ea8c566213db01	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-5b-57-76-1a-82\WpadDecision = "0"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72CF9A93-4269-4E72-B137-BBA14619602E}	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-5b-57-76-1a-82\WpadDecisionReason = "1"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72CF9A93-4269-4E72-B137-BBA14619602E}\WpadNetworkName = "Network 3"	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72CF9A93-4269-4E72-B137-BBA14619602E}\ae-5b-57-76-1a-82	20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1308

C:\Users\Admin\AppData\Local\Temp\20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240930fb65c104fda352d6d6f376f2067cec81wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:944

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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