wannacry | 5199a2e097f7ad446c59067da214c9cf80198977c50f9faa07a51f08d34c1fa2

General

Target

2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Size

3.6MB
MD5

49da9f5301f51ab4b4daa693caab031e
SHA1

a638800fd9368cd9b4ffab8f4c688931784e8486
SHA256

5199a2e097f7ad446c59067da214c9cf80198977c50f9faa07a51f08d34c1fa2
SHA512

8050ecb7dfb126edbfab357933a5b129552bc972aa5ce3316bb0bb704eff8a04fa2d22b086a6f10750b239690a9ac9c6d2d42eb83a6c11727c81ce0a818fd610
SSDEEP

49152:XnxQqMSPbcBVQej/1INRx+TSqTdm6SAARdhnvxJM0H9:X6qPoBhz1aRxcSUo6SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3309) 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	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1DP8RPE8.txt	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1DP8RPE8.txt	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\C0ZD1NGB.txt	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\C0ZD1NGB.txt	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_49da9f5301f51ab4b4daa693caab031e_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_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9A75B152-AF75-498A-8ECB-117534B7FF4E}\WpadDecisionReason = "1"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9A75B152-AF75-498A-8ECB-117534B7FF4E}\WpadDecision = "0"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-cd-29-c0-a0-4a	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9A75B152-AF75-498A-8ECB-117534B7FF4E}	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-cd-29-c0-a0-4a\WpadDecision = "0"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9A75B152-AF75-498A-8ECB-117534B7FF4E}\WpadDecisionTime = 104f6b24631cdb01	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9A75B152-AF75-498A-8ECB-117534B7FF4E}\0a-cd-29-c0-a0-4a	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-cd-29-c0-a0-4a\WpadDecisionReason = "1"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9A75B152-AF75-498A-8ECB-117534B7FF4E}\WpadNetworkName = "Network 3"	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-cd-29-c0-a0-4a\WpadDecisionTime = 104f6b24631cdb01	2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2292

C:\Users\Admin\AppData\Local\Temp\2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_49da9f5301f51ab4b4daa693caab031e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2336

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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