wannacry | 58eb65e620194b60a4c91c81d6557cdf4d7c5477c85dd7cfd9e10092bd123ca0

General

Target

2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Size

5.0MB
MD5

963e5414e0ecb5aa2ba75def02518033
SHA1

83a936d68aa4a68560dba2e84a4f26c17a76e512
SHA256

58eb65e620194b60a4c91c81d6557cdf4d7c5477c85dd7cfd9e10092bd123ca0
SHA512

9653d0fdca1b121dce9c7fe57f52026f7809c2293ec476f010bae9a19ba3879722e49387c8c154b94148dc3e958eb7d802b3022da932fad35bc5ae4f9a34844a
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAEaEau3R8yAH1plA:yDqPoBhz1aRxcSUDk36SAX3R8yAVp2

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 (3275) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
1720	tasksche.exe

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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-05_963e5414e0ecb5aa2ba75def02518033_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	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadDecision = "0"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\52-4d-83-d4-98-db	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db\WpadDecisionTime = e0552825d777db01	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db\WpadDecision = "0"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadNetworkName = "Network 3"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db\WpadDecisionReason = "1"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadDecisionTime = e0552825d777db01	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadDecisionReason = "1"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2692
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1720

C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2976

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
1087b0a72797534b3e6939c5be88ae1d

SHA1
e8b124db90786718cf53d7e1ec79e8208eaed116

SHA256
2e27304344bb9cce42a24de3843132528d79384c927a1c823a95fffa5c90d68a

SHA512
2a6cdcc405c8638a56cb612c3e35ae0a0d7c6f8df5eb0511ee96d60b2d5e988b9808f080e158a9718b2adfc7d48506b93e617e43b1253a8bf319eccebda9c171

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