wannacry | 6531ed8a8cef9c0e869efb79b834cdd452dba0928455897c2d3a59311d9ccda7

General

Target

2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Size

3.6MB
MD5

33bacd835823cdc6351625a8f749b7a7
SHA1

fb21cbd43f02e31389d431328d712e50b8fb9064
SHA256

6531ed8a8cef9c0e869efb79b834cdd452dba0928455897c2d3a59311d9ccda7
SHA512

b8181bab5c443b4f752f779002727b455d2682832187a4ef28a9f323667c8486dd39a2bf94315a6cd81b50a33b1a0d6cf76164108957b03fc094daec846c29be
SSDEEP

49152:4naMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvul:oaPoBhz1aRxcSUDk36SAEdhvu

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3198) 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

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\CZ8UOIHI.txt	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\CZ8UOIHI.txt	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TZPWCUFM.txt	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TZPWCUFM.txt	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-29_33bacd835823cdc6351625a8f749b7a7_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	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0124000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadDecisionReason = "1"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadNetworkName = "Network 3"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadDecisionTime = a0fa432fe471db01	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\c6-8c-8c-d4-fb-48	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48\WpadDecisionTime = a0fa432fe471db01	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19E34DF5-EA87-44AC-893C-2ED3E3A8D8EF}\WpadDecision = "0"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48\WpadDecisionReason = "1"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-8c-8c-d4-fb-48\WpadDecision = "0"	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:560

C:\Users\Admin\AppData\Local\Temp\2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-29_33bacd835823cdc6351625a8f749b7a7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2804

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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