wannacry | 5d220e019660fbbd8ad49b387427027a89166ffbd7c869a929027452b3458ac1

General

Target

2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Size

5.0MB
MD5

fb65c104fda352d6d6f376f2067cec81
SHA1

366bed2b532d5b3bbc94dcf8e4310dd03d172f74
SHA256

5d220e019660fbbd8ad49b387427027a89166ffbd7c869a929027452b3458ac1
SHA512

b4e3366606bc481609df677902cb42be4a90dba6062c4f1c96a3b5aea62e82c3375b7bec7422e0edc93aea50d4664d16b53439bb3845c36c4cbed003c0b72ab0
SSDEEP

49152:QnnMSPbcBVQej/Nx+TSqTdX1HkQo6SAARdhnv:QnPoBhzNxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3231) 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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-30_fb65c104fda352d6d6f376f2067cec81_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	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2352

C:\Users\Admin\AppData\Local\Temp\2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-30_fb65c104fda352d6d6f376f2067cec81_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3924,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=2508 /prefetch:8
1⤵
PID:1568

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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