wannacry | 8aa1c89eeb3e5fc285c067d8e681622b6a9e7ccf04b4efdce41bb3ef7f5410ee

General

Target

2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Size

5.0MB
MD5

c213179dadabdd3c6b30418406759eaf
SHA1

8459092918207e9d9be19dc025a2fa517d4dbe15
SHA256

8aa1c89eeb3e5fc285c067d8e681622b6a9e7ccf04b4efdce41bb3ef7f5410ee
SHA512

9a679e6617196b0d8d705b8c5762acd8018a66e1ce56cbb3d55fa19d87fae8532890b96580035361de3bce34399c3d5ba83623aaae17552102c5eef2839d6b1f
SSDEEP

12288:e1bLgmluCti62lIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUj:QbLguripdmMSirYbcMNgef0QeQ

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3189) 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

Processes:

2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

description	ioc	process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\OZR3YC5W.txt	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\OZR3YC5W.txt	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7O14TT75.txt	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7O14TT75.txt	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0023000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9403D6CA-846E-4555-959E-F1724498B84C}\WpadNetworkName = "Network 3"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-dc-8e-55-6d-aa	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9403D6CA-846E-4555-959E-F1724498B84C}\WpadDecisionTime = 40a1fe874cc9da01	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9403D6CA-846E-4555-959E-F1724498B84C}\WpadDecision = "0"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9403D6CA-846E-4555-959E-F1724498B84C}\02-dc-8e-55-6d-aa	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9403D6CA-846E-4555-959E-F1724498B84C}	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9403D6CA-846E-4555-959E-F1724498B84C}\WpadDecisionReason = "1"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-dc-8e-55-6d-aa\WpadDecisionReason = "1"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-dc-8e-55-6d-aa\WpadDecisionTime = 40a1fe874cc9da01	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-dc-8e-55-6d-aa\WpadDecision = "0"	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1644

C:\Users\Admin\AppData\Local\Temp\2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-28_c213179dadabdd3c6b30418406759eaf_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3016

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

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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