wannacry | 8676e7d093eeee830c87cc9a91cf6f466c480e2c326525d1b488ed0970343dae

General

Target

2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Size

2.2MB
MD5

cd3d8dafb0f62619b497c213e7894818
SHA1

22e8f343ebc24b4c7ecbd6dd0f772358a4568d08
SHA256

8676e7d093eeee830c87cc9a91cf6f466c480e2c326525d1b488ed0970343dae
SHA512

50c859bbcbfc50ee9c8c572e1c52d214194e51c2f8b175f1ff35d106dc8e52ca1de0a935c5ded82fb7c02f95733cab3ccb19e0579b5ee701eff26d8651a487c9
SSDEEP

12288:e1bLgmlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeg5SQeuB8T:QbLgudQhfdmMSirYbcMNgef0Qekk+8T

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3294) 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	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_cd3d8dafb0f62619b497c213e7894818_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_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E08EABC-7E97-45B5-A65C-B23F72E39DBF}	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E08EABC-7E97-45B5-A65C-B23F72E39DBF}\WpadDecisionReason = "1"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E08EABC-7E97-45B5-A65C-B23F72E39DBF}\WpadDecision = "0"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E08EABC-7E97-45B5-A65C-B23F72E39DBF}\WpadNetworkName = "Network 3"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-72-e9-10-25\WpadDecisionTime = 40c56c3e651cdb01	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-72-e9-10-25\WpadDecision = "0"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-72-e9-10-25	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-72-e9-10-25\WpadDecisionReason = "1"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E08EABC-7E97-45B5-A65C-B23F72E39DBF}\4e-4f-72-e9-10-25	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E08EABC-7E97-45B5-A65C-B23F72E39DBF}\WpadDecisionTime = 40c56c3e651cdb01	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2248

C:\Users\Admin\AppData\Local\Temp\2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_cd3d8dafb0f62619b497c213e7894818_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2744

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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