wannacry | 490453b49938f205bfd83ef14d825a292cbe8a5d1c63d40109b8dd1813d8e8ca

General

Target

2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Size

5.0MB
MD5

c919ceb35acb6c113263769ffab7a7f7
SHA1

645392ec60279fa946d709c74b8810dc30ec037b
SHA256

490453b49938f205bfd83ef14d825a292cbe8a5d1c63d40109b8dd1813d8e8ca
SHA512

6643957271e42cdf42246366d9e32f1fc3042358e89c3d8edd333cba85d3944cd22ad1ec1e803649bf785dd41caf5dd45aa6468118b0046a97ee31be09518713
SSDEEP

98304:wDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:wDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3271) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2684 tasksche.exe
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

pid	process
2684	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_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

Processes:

2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-37-4e-88-9b-eb	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31747C45-D2D3-4E6C-B497-DFE0DD59D12B}\92-37-4e-88-9b-eb	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-37-4e-88-9b-eb\WpadDecisionReason = "1"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31747C45-D2D3-4E6C-B497-DFE0DD59D12B}	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31747C45-D2D3-4E6C-B497-DFE0DD59D12B}\WpadNetworkName = "Network 3"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-37-4e-88-9b-eb\WpadDecision = "0"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f01a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31747C45-D2D3-4E6C-B497-DFE0DD59D12B}\WpadDecisionTime = 10c541c8a7ecda01	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31747C45-D2D3-4E6C-B497-DFE0DD59D12B}\WpadDecision = "0"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-37-4e-88-9b-eb\WpadDecisionTime = 10c541c8a7ecda01	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31747C45-D2D3-4E6C-B497-DFE0DD59D12B}\WpadDecisionReason = "1"	2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2568

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2684

C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:340

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/340-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/340-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2568-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2568-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads