wannacry | 2d124b11c21661e52c7af75fe0862837f7dd7c865f44c1a44ff3b5945ec02cfa

General

Target

2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Size

5.0MB
MD5

b3f9df2d4710646b3a93e1ac7fec0a85
SHA1

d2df82bf808146be2ce42f002b15445547823fdb
SHA256

2d124b11c21661e52c7af75fe0862837f7dd7c865f44c1a44ff3b5945ec02cfa
SHA512

a07f2f8329e3a9d7b3accf3d8573cec544b0241fba31eea1ab0b87ae0c847eb8b5d4c5c395c0942d3cb85fec1a291f015b8cadd6ece8df75525ab620f6344c18
SSDEEP

98304:czqPoBhUk36SAEdhvxWa9P593R8yAVp2H:czqP3k3ZAEUadzR8yc4H

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 (3208) 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
2740	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	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_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	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadDecisionTime = c0911e09a83ddb01	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadNetworkName = "Network 3"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03\WpadDecisionReason = "1"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\4a-8b-b4-6a-46-03	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadDecisionReason = "1"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadDecision = "0"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03\WpadDecision = "0"	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03\WpadDecisionTime = c0911e09a83ddb01	2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2556
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2740

C:\Users\Admin\AppData\Local\Temp\2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-23_b3f9df2d4710646b3a93e1ac7fec0a85_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2064

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
66e4e9d06ea4cd60bf39bfe847e73244

SHA1
b7dd2d4204079d05da9af8f41bbb0ec4eb03a1a9

SHA256
701b6dbc267e4f75767c9c30a15ef855f16cd8afcaee524803da0cb0d7bc85e2

SHA512
b305bbea6d0a25045c9261761e71e27a2ba8e2adc416adde234ec5ca52b0f8eccc4ea1616c13e445ebfe38bc10817a881b8f22ea8ab6fd6a66ab889612c6d6ae

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