wannacry | c0b91ddabc67c03e74fc0de1d1dea51e1614c014281552d6cebde6131cb9fcee

General

Target

2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Size

5.0MB
MD5

094e6823e45be42b6700251b11efe9a2
SHA1

df5f3080245e4fa17dd3f9275a0fdc241e3fafc4
SHA256

c0b91ddabc67c03e74fc0de1d1dea51e1614c014281552d6cebde6131cb9fcee
SHA512

a1e20e2748458c6b3ea45306c12abd1250bc308f0b4a9cd6181867a48d599989b4429f1a8869b596a7cd08c201f44f786071c4a5321cbd8eb2968749be758fd8
SSDEEP

49152:QnaQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:QlqPoBhz1aRxcSUDk36SAEdhv

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 (3315) 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	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\SWSYAZ1N.txt	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\SWSYAZ1N.txt	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LFMEOLHF.txt	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LFMEOLHF.txt	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-25_094e6823e45be42b6700251b11efe9a2_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	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDFD29B5-9E0A-4847-81D9-C0586DB674C9}\WpadDecisionTime = a0337bebb956db01	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDFD29B5-9E0A-4847-81D9-C0586DB674C9}\WpadDecisionReason = "1"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-20-4e-10-47-26	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-20-4e-10-47-26\WpadDecisionReason = "1"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-20-4e-10-47-26\WpadDecisionTime = a0337bebb956db01	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDFD29B5-9E0A-4847-81D9-C0586DB674C9}\WpadDecision = "0"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDFD29B5-9E0A-4847-81D9-C0586DB674C9}\22-20-4e-10-47-26	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-20-4e-10-47-26\WpadDecision = "0"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDFD29B5-9E0A-4847-81D9-C0586DB674C9}	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FDFD29B5-9E0A-4847-81D9-C0586DB674C9}\WpadNetworkName = "Network 3"	2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2136

C:\Users\Admin\AppData\Local\Temp\2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-25_094e6823e45be42b6700251b11efe9a2_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1880

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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