wannacry | 7be1bd091ccd2282e179da0cab7c16cb2649f18b85306e4f773d677cd84f728f

General

Target

2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Size

5.0MB
MD5

d8eb04917a209f4b18ff03c75eb91918
SHA1

78e6902a3cc3fef1dfe2bfa5336edab785c1635f
SHA256

7be1bd091ccd2282e179da0cab7c16cb2649f18b85306e4f773d677cd84f728f
SHA512

aa45a01e89f156d3626c7f1eb39da9a6f3a9c69417eb11abf6b59a773e0b12e2a2d69bfe1ca3291d8450840defa19a80ca55b09f5ca22ed6e752a455b3f34704
SSDEEP

49152:2nAQqMSPbcBVrINRx+TSqTdX1HkQo6SAARdh:yDqPoBpaRxcSUDk36SAEdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3094) 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

2784 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
2784	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_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:

2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadDecision = "0"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ba000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadNetworkName = "Network 3"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDecisionReason = "1"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDecision = "0"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadDecisionReason = "1"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadDecisionTime = 10430e49ace5da01	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\9a-12-fd-6f-04-ae	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDecisionTime = 10430e49ace5da01	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2420

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2784

C:\Users\Admin\AppData\Local\Temp\2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-03_d8eb04917a209f4b18ff03c75eb91918_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2564

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
2756d2d49311415d366d2f01f72cc217

SHA1
dcbdb10951106b236f74373f671bc643b0a1c8c5

SHA256
fb9fa5c40cf914fb2159e3ce6f51b6511a5ece630142e4acfd603537e800e762

SHA512
af85ca51394d7e45a257aa914cf4082e4255ae4369884386651392b8834b50e5357bb017c19d6664acd6ef42316a1faa5175e436795e25c254ddc636e968e620

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads