wannacry | 5c7d6df9cb0ff4a2544c836c55058cf9254384316d0dc45f55b4f08ec3f1c8f2

General

Target

2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Size

3.6MB
MD5

ee6730703e2121e292ac985def28e3c7
SHA1

1b3c3a180b798cd6e6e381c06319462008422281
SHA256

5c7d6df9cb0ff4a2544c836c55058cf9254384316d0dc45f55b4f08ec3f1c8f2
SHA512

308e584154029bfeabd873e9028a1524c4a31babe98e16999cb7215f511075213c82c338d2f625c13db2ded70329eadadd3d687f7c78345903c04099b4505f7e
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3302) 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
2464	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	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_ee6730703e2121e292ac985def28e3c7_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	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadDecisionTime = b01c38b7681cdb01	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\7e-56-41-c3-53-dc	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-56-41-c3-53-dc\WpadDecisionTime = b01c38b7681cdb01	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadDecisionReason = "1"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadDecision = "0"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadNetworkName = "Network 3"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-56-41-c3-53-dc	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-56-41-c3-53-dc\WpadDecisionReason = "1"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-56-41-c3-53-dc\WpadDecision = "0"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f017a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2420
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2464

C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:284

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
8df67925308c53e9b19220868e26af32

SHA1
f9eed7833a8e7aa0be320f2561b159271fe3a3aa

SHA256
647d0e52fe3f8e78b79a7fde81a4607a7c118ff79af3aaa11e75a501b472e8c5

SHA512
7ee6921f72c13ab7ce7ac3450cac01fbce369d9f29e35e8a16e6dc5520d603e61a5337afd5714db4ff23fc9ef326ffdce1dac2e4f70b4f79ed3a058c096ac6d8

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