wannacry | fac65f50998e4b2a0380f8ffa9379dc59be3b1852fb0c3adf6aab9c619737586

General

Target

2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Size

2.2MB
MD5

f76c398bdba3bfec87b58497718f102b
SHA1

4fbaeb718410ba3437ba7eab707fede37cc0b81e
SHA256

fac65f50998e4b2a0380f8ffa9379dc59be3b1852fb0c3adf6aab9c619737586
SHA512

09a42ca36fa4381d698902ca09035f4f8fa4581b6012d3b24d7d699b102159d061a0a4bb1f0815d826c5fabaf6e21a757d92f368a0e7dc6913ef8c0846effdd6
SSDEEP

49152:QnaMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdh:QaPoBhz1aRxcSUDk36SAEdh

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 (3229) 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\YV5WHY33.txt	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\YV5WHY33.txt	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\65HTDZ7Z.txt	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\65HTDZ7Z.txt	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-07_f76c398bdba3bfec87b58497718f102b_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	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D0680EF3-E047-4D10-883E-DF017317245F}	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D0680EF3-E047-4D10-883E-DF017317245F}\WpadDecisionReason = "1"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D0680EF3-E047-4D10-883E-DF017317245F}\WpadDecisionTime = 106eb3629279db01	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D0680EF3-E047-4D10-883E-DF017317245F}\WpadNetworkName = "Network 3"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D0680EF3-E047-4D10-883E-DF017317245F}\da-69-7b-8e-e4-c4	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0074000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D0680EF3-E047-4D10-883E-DF017317245F}\WpadDecision = "0"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-69-7b-8e-e4-c4\WpadDecision = "0"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-69-7b-8e-e4-c4\WpadDecisionReason = "1"	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-69-7b-8e-e4-c4	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-69-7b-8e-e4-c4\WpadDecisionTime = 106eb3629279db01	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2600

C:\Users\Admin\AppData\Local\Temp\2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-07_f76c398bdba3bfec87b58497718f102b_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1624

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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