wannacry | 66ed688846f845d3f69f7e10adec49b4071a1b59440197c02a438cbe2e0d994a

General

Target

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Size

5.0MB
MD5

320e567f1b4d94ef24c45a8e8b297338
SHA1

e710cedb15396c5ef5aa73df807b7437117b0053
SHA256

66ed688846f845d3f69f7e10adec49b4071a1b59440197c02a438cbe2e0d994a
SHA512

0b999e0aafa0f5c1f0574b3278ab1eb0bd23a578a271ad38d0e92b1a3d3bc07b99a8a0bd12ce8bbd8fe9bc55ad5443e18cd246409175d9559241e3cc43d31cb8
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:XDqPoBhz1aRxcSUDk36SAEdhvxWa9

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 (3332) 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

Processes:

tasksche.exe

pid	Process
2884	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

Processes:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_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

Processes:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00BB5C8D-1A11-44C5-A82C-58F5F9D0EA4E}\WpadDecisionReason = "1"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00BB5C8D-1A11-44C5-A82C-58F5F9D0EA4E}\WpadDecision = "0"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-c4-03-cc-c9-d1\WpadDecision = "0"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00BB5C8D-1A11-44C5-A82C-58F5F9D0EA4E}\WpadNetworkName = "Network 3"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-c4-03-cc-c9-d1	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00BB5C8D-1A11-44C5-A82C-58F5F9D0EA4E}\02-c4-03-cc-c9-d1	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-c4-03-cc-c9-d1\WpadDecisionTime = 90c95ed2c93cdb01	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00BB5C8D-1A11-44C5-A82C-58F5F9D0EA4E}	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-c4-03-cc-c9-d1\WpadDecisionReason = "1"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f016c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00BB5C8D-1A11-44C5-A82C-58F5F9D0EA4E}\WpadDecisionTime = 90c95ed2c93cdb01	2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2852
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2884

C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-22_320e567f1b4d94ef24c45a8e8b297338_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2700

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
3f79b59f7defd742b32f25945972066f

SHA1
1369e32d4ee95b8471ef53e88f13d62796f27444

SHA256
655f6e807027362c9a3bf88d38a958779d136dcb49fd245b2cc7e02aeedd4a0b

SHA512
928057be7cc1df93371b8b46bbe1d6e572ef428e9f0aa928bc4ea071b20676b383ef82f0e5c9f06a651a813b77b87b1fdfc7303b4efec1ab6eeb0dc0f9328c8c

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads