wannacry | 5df430801119840ba5236138c19cef77c5a161f2e66306ea5fcbca9d91f474fc

General

Target

4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Size

5.0MB
MD5

4e9fe5c6dd1045f412e93e6fe4c599b0
SHA1

cc73cd9defd858e1ca5cfdfda4faf76e3cea9622
SHA256

5df430801119840ba5236138c19cef77c5a161f2e66306ea5fcbca9d91f474fc
SHA512

5cdd2bb97ac232984946dd2a49b362af15d0fd63a47ffaf6696100adf8097ce220308b34828ebf1aa307cdc93f8a5c5900f7ff8fa883369a2917bba2f6c320f0
SSDEEP

6144:GE9l9ynRIYVTH5DgSgNajldktM0XXrCIdQhMV9qbBLIwYQuy8DLq1eNVD:G1bLgmluC8QhMbaIMu7L5NV

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1331) amount of remote hosts 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	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	4e9fe5c6dd1045f412e93e6fe4c599b0N.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	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35A98CD5-8BA1-438B-83A6-58D762F74CF2}\WpadDecisionReason = "1"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4d-5c-71-d0-9f	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f012d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35A98CD5-8BA1-438B-83A6-58D762F74CF2}\WpadDecision = "0"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4d-5c-71-d0-9f\WpadDecisionTime = f01152d5ccf5da01	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4d-5c-71-d0-9f\WpadDecision = "0"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35A98CD5-8BA1-438B-83A6-58D762F74CF2}	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35A98CD5-8BA1-438B-83A6-58D762F74CF2}\WpadDecisionTime = f01152d5ccf5da01	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35A98CD5-8BA1-438B-83A6-58D762F74CF2}\WpadNetworkName = "Network 3"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4d-5c-71-d0-9f\WpadDecisionReason = "1"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{35A98CD5-8BA1-438B-83A6-58D762F74CF2}\4e-4d-5c-71-d0-9f	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	4e9fe5c6dd1045f412e93e6fe4c599b0N.exe

C:\Users\Admin\AppData\Local\Temp\4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
"C:\Users\Admin\AppData\Local\Temp\4e9fe5c6dd1045f412e93e6fe4c599b0N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2592

C:\Users\Admin\AppData\Local\Temp\4e9fe5c6dd1045f412e93e6fe4c599b0N.exe
C:\Users\Admin\AppData\Local\Temp\4e9fe5c6dd1045f412e93e6fe4c599b0N.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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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