wannacry | 8f6855fe24590623f42622f17f7f03b4f9db5be51246242282ba6bb4b5201551

General

Target

2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Size

5.0MB
MD5

dd4838b516fa5a351f1c1e3f375f6afc
SHA1

bd377153417d0fa26c4c37eb05a402f24a202e1f
SHA256

8f6855fe24590623f42622f17f7f03b4f9db5be51246242282ba6bb4b5201551
SHA512

4f9fc67aea67530c0c5eb220a3bff07746d7853ff760256cf91ff634ab47b7a36299d6aa6dc97cea3203be4113cb1ea1f8e40269183b1349ecb4c8b3ea483632
SSDEEP

49152:VnFQqMSPbcBVQej/hINRx+TSqTdX1HkQo6SAA:ZeqPoBhzhaRxcSUDk36SA

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 (3163) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\B43HAP4X.txt	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\B43HAP4X.txt	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\4YTKYVNQ.txt	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\4YTKYVNQ.txt	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_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	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{646ADAD8-DAC8-41BE-8335-8C0366E934AA}\WpadDecisionReason = "1"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a4-4a-9c-78-9f\WpadDecision = "0"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{646ADAD8-DAC8-41BE-8335-8C0366E934AA}	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{646ADAD8-DAC8-41BE-8335-8C0366E934AA}\12-a4-4a-9c-78-9f	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a4-4a-9c-78-9f\WpadDecisionTime = c02c7f02ec6ddb01	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{646ADAD8-DAC8-41BE-8335-8C0366E934AA}\WpadDecision = "0"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{646ADAD8-DAC8-41BE-8335-8C0366E934AA}\WpadNetworkName = "Network 3"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{646ADAD8-DAC8-41BE-8335-8C0366E934AA}\WpadDecisionTime = c02c7f02ec6ddb01	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a4-4a-9c-78-9f	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-a4-4a-9c-78-9f\WpadDecisionReason = "1"	2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3064

C:\Users\Admin\AppData\Local\Temp\2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-23_dd4838b516fa5a351f1c1e3f375f6afc_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2796

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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