wannacry | 4f4dca8ac3dc775f14d258163c498b3e89bc727a4ebb0a10728a3b526d011636

General

Target

2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Size

5.0MB
MD5

714923e33593306391523aca70a1fd09
SHA1

06a7f0a7464523c764123983cd6b224028dc7f01
SHA256

4f4dca8ac3dc775f14d258163c498b3e89bc727a4ebb0a10728a3b526d011636
SHA512

63c72525a99d060ee57145cae6517f8f2a1a5f5cd5f70d17b391f382ba6beb45a051dadb6f169b7cb4b9b73b44a40705f817607464b716a27d901658901533f9
SSDEEP

49152:XnAQqMSPbcBVQej/1IkvxJM0H9PAMEcaEau3R8yAH1plAH:XDqPoBhz1rxWa9P593R8yAVp2H

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 (3299) 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
2296	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	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-12_714923e33593306391523aca70a1fd09_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	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-f9-47-ac-63-b9	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-f9-47-ac-63-b9\WpadDecision = "0"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9355E71-6C69-42EC-BC66-1A229BB74F95}	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9355E71-6C69-42EC-BC66-1A229BB74F95}\WpadDecisionReason = "1"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9355E71-6C69-42EC-BC66-1A229BB74F95}\WpadDecision = "0"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9355E71-6C69-42EC-BC66-1A229BB74F95}\c6-f9-47-ac-63-b9	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-f9-47-ac-63-b9\WpadDecisionReason = "1"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-f9-47-ac-63-b9\WpadDecisionTime = d0e513178c4cdb01	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9355E71-6C69-42EC-BC66-1A229BB74F95}\WpadNetworkName = "Network 3"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9355E71-6C69-42EC-BC66-1A229BB74F95}\WpadDecisionTime = d0e513178c4cdb01	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1976
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2296

C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2348

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
0d546b10fd18556ea47e87520c851b9c

SHA1
68870aad4a61603e1c8771eb72587b3fc1c3262f

SHA256
9ec92fed61ed86711baa9b61be131dc37540aed1b5051eb5743c473dc3825c5f

SHA512
f58c592d341cf5391c5e1b65fb56fcb2ce9cf1dd0e67e549d154f152e919d9b8c5463c420eb9a99b5cd8b557ab4c363adcaaab87ce942200b9ac06d242eb1cd4

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Analysis

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