wannacry | 37ac0657de134c81d1c647525904c00e85132948f938574bb412fe893f23612a

General

Target

2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Size

5.0MB
MD5

d57d0ffe8e2d67c5cf436908fcd90caf
SHA1

2e3d7863fd3ba9ce643f8419cc2c6761bc088e26
SHA256

37ac0657de134c81d1c647525904c00e85132948f938574bb412fe893f23612a
SHA512

b7f470217e7d17c161ce1ab17df0aeaa5c4b98b75a9ad2eaf3f0a45c307daab8abf72b5e4af644cfd027f82cfe14411bfdf97e9de631dbcd216394dc1dcaf895
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhiwd10lWUaIlf85haAj/K2:yDqPoBhz1aRxcSUDk36SAEdhEnfKhhr

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 (3260) 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
2896	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	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_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	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D56FD77E-962F-4A4F-A338-A0289A68CDBA}\WpadDecision = "0"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e0-f7-58-03-a2\WpadDecisionTime = 8062e2f78c6adb01	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D56FD77E-962F-4A4F-A338-A0289A68CDBA}	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D56FD77E-962F-4A4F-A338-A0289A68CDBA}\WpadDecisionTime = 8062e2f78c6adb01	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D56FD77E-962F-4A4F-A338-A0289A68CDBA}\WpadNetworkName = "Network 3"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e0-f7-58-03-a2	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D56FD77E-962F-4A4F-A338-A0289A68CDBA}\32-e0-f7-58-03-a2	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0083000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D56FD77E-962F-4A4F-A338-A0289A68CDBA}\WpadDecisionReason = "1"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e0-f7-58-03-a2\WpadDecisionReason = "1"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e0-f7-58-03-a2\WpadDecision = "0"	2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1176
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Users\Admin\AppData\Local\Temp\2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-19_d57d0ffe8e2d67c5cf436908fcd90caf_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2300

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
609f9f0f5a0fd3252761ffbc73695450

SHA1
716c011381ce6c69d871b27222bf6acbb43f1079

SHA256
baa09e7a379df50514103b34640d1f39658ff2698dbef3f8fb7057d91d2fff1a

SHA512
195f2dda68f8dfab2bc9c6f225584350ef5869ac61438bcde18d067fea9f592cd179cc2810e51d71975c12767fe8c1bac038755042c28cf439dc3253b8486de3

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