wannacry | 1a3a791e79fd658b5e630200046217427ca80ab561cf2f92b599897ca2e0dff9

General

Target

2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Size

2.2MB
MD5

ec114588ac70fd5c1fca25731f494b4e
SHA1

040796d8ed354de04175ca01380c45e9c3acd642
SHA256

1a3a791e79fd658b5e630200046217427ca80ab561cf2f92b599897ca2e0dff9
SHA512

e04456bc3e5b303ca9782037bfa6b5da00596bb909a236d12663579048271efbfcb0a1770db3f3ef574cb2e028aae629b87576eebaa3c408f40b3f9013f78584
SSDEEP

49152:QnxQqMSPbcBVQej/1INRx+TSqTdX1HkQo6:Q6qPoBhz1aRxcSUDk36

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (14015) 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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_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	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecision = "0"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecisionReason = "1"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\56-c5-ba-58-09-b8	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecisionReason = "1"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecisionTime = 50ddf649b207db01	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadNetworkName = "Network 3"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecisionTime = 50ddf649b207db01	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecision = "0"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2364

C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2872

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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