wannacry | 4755910e3c78a422e64518afb820bb1bc293500ad47a9f6d8ba21417dc8a1f26

General

Target

2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Size

2.2MB
MD5

748854600775d7b7fea42732112f08b6
SHA1

aee3cd0a1fbaf78d376f9bbc601577593769a4e6
SHA256

4755910e3c78a422e64518afb820bb1bc293500ad47a9f6d8ba21417dc8a1f26
SHA512

1f8727e4825552e4e3203d57784eba2ae084038beef5d548f361e73689aba5e3aeec3e64535330b510e892862f735fae661c778df48ab113188b7664ae73bbbe
SSDEEP

24576:QbLguriKyMSirYbcMNgezQeQjG/D8kIqp+vbOSSqTPV:QnGMSPbcBuQej/d+TSqTd

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 (3317) 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 opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\R4WYVTHK.txt	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\R4WYVTHK.txt	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\95HPLI9E.txt	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\95HPLI9E.txt	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-07_748854600775d7b7fea42732112f08b6_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	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadDecision = "0"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadNetworkName = "Network 3"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\7e-54-02-e0-b6-49	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49\WpadDecisionReason = "1"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49\WpadDecision = "0"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49\WpadDecisionTime = c01c38be6161db01	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadDecisionReason = "1"	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadDecisionTime = c01c38be6161db01	2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2684

C:\Users\Admin\AppData\Local\Temp\2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-07_748854600775d7b7fea42732112f08b6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1992

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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