wannacry | 1c3fc38f87670712dd798a2157d0766b7f089745a5345fb8d5c196d521eb9078

General

Target

2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Size

5.0MB
MD5

720fe476815c5543ef08b6b19d4b98ce
SHA1

c7ce5d1fe460d5bd6429ff7582485e6bb2e25dfd
SHA256

1c3fc38f87670712dd798a2157d0766b7f089745a5345fb8d5c196d521eb9078
SHA512

99a382f8e04ec4648f19d53be8e7cffe270c22d2c3b01e02e5ec4e355acb0353a7e8670b608ee348c2af7dec119d72f539c14478bbb356ab2af408c85a426374
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRY:2nAQqMSPbcBVQej/1

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 (3305) 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
2332	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	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_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	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09764986-F87D-410A-BB8D-4117ED399028}\WpadDecisionTime = 609d1749e44edb01	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09764986-F87D-410A-BB8D-4117ED399028}\WpadNetworkName = "Network 3"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-68-31-df-8f-2e\WpadDecisionReason = "1"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09764986-F87D-410A-BB8D-4117ED399028}\WpadDecisionReason = "1"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-68-31-df-8f-2e\WpadDecision = "0"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09764986-F87D-410A-BB8D-4117ED399028}	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-68-31-df-8f-2e	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-68-31-df-8f-2e\WpadDecisionTime = 609d1749e44edb01	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00de000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09764986-F87D-410A-BB8D-4117ED399028}\WpadDecision = "0"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09764986-F87D-410A-BB8D-4117ED399028}\26-68-31-df-8f-2e	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2380
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2332

C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:916

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
6f4e0d9c3bf024401030075c8547f778

SHA1
b941148813e1520a4c701579d7403e686e147b20

SHA256
cf6b9678f79005270342c36d437f9e22b425fe595c83cf8f02d0c132d25346fc

SHA512
f02ef9ee4d2acd2aefb72f1dbc98390d67fee3ac77aa7a07d314f4a556426f6b73157f06ecdef59446f222e7d049c8d54ced0aa530fb096ebadb3e5cc9ed5c1c

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Analysis

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