wannacry | dfc275107808b93c2bb221f6c440685d50f0453c9b851bbbe184c349d65c5b99

Resubmissions

25/07/2024, 17:22

240725-vxtmnatejk10

25/07/2024, 12:33

240725-prbxrssajg10

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 12:33

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General

Target
2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Size 2.2MB
Sample240725-prbxrssajg
SHA256 dfc275107808b93c2bb221f6c440685d50f0453c9b851bbbe184c349d65c5b99
MD5 f448d756bcb064687637869c0f19232a
SHA1 d0754dbcadf6f25788538a9ae65f36f6c5d2f431
SHA512 f1791bb1926868850426c4c113300d6aec7b393862399865afa612e1598990730e5492e28a63238c0b96ca4d87d5bf61d9c9ae397ff728ae3c607cf7406b376a
SSDEEP 49152:QnUMSEej/1INRx+TSqTdX1HkQo6SAARdhnvn:QUzz1aRxcSUDk36SAEdhvn
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3281) 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	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-07-25_f448d756bcb064687637869c0f19232a_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	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4440

C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

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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