wannacry | d3a771f19c2d05e298d8ebdda04a17d0fa20da4aaf724aace9814554a3b06dee

General

Target

2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Size

2.2MB
MD5

8492e1e058a2af899a9dddb79c63d03f
SHA1

5234de7cff489654cac7c6c6c6be32cd3c56b1ad
SHA256

d3a771f19c2d05e298d8ebdda04a17d0fa20da4aaf724aace9814554a3b06dee
SHA512

31246df8f8acc2571bbbdce9deb9ab0a33092bba5192e57dcef0ebda21dfc1691db58a50e0eb44e36b64e17bd899ed16245ac897599605c16b64fb4f0b27ef70
SSDEEP

49152:QnsEMSPbcBVQej/1INRx+TSqTdX1HkQo6SA+vn:QfPoBhz1aRxcSUDk36SAWn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3320) 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\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\DK0J2S9K.txt	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\DK0J2S9K.txt	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LDMMO7R0.txt	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LDMMO7R0.txt	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_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	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecisionReason = "1"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecisionTime = 40bf5936591cdb01	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\36-ff-e6-ee-20-e8	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecision = "0"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadNetworkName = "Network 2"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecision = "0"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecisionReason = "1"	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecisionTime = 40bf5936591cdb01	2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2304

C:\Users\Admin\AppData\Local\Temp\2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_8492e1e058a2af899a9dddb79c63d03f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1860

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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