wannacry | 9266d02ee58f277fa40eb762e6a804951aa037ef195c9def965860501fca9aab

General

Target

2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Size

5.0MB
MD5

2f5d031556d0df8a37ac9cedef49d873
SHA1

88c218132c34ae00e01b707e63d36d3a79b9aa41
SHA256

9266d02ee58f277fa40eb762e6a804951aa037ef195c9def965860501fca9aab
SHA512

4b87a25a836fc0c7dc8a3c7a413fc054ab54d67abbe9749f3f58c6c1aae049e061b7ca9cd44d902b4895da160d929a714c0314a2dce8888288452c9eea7410a4
SSDEEP

49152:QnnMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:QnPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3201) 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	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\UB32BHLO.txt	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\UB32BHLO.txt	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BQDSPU0Z.txt	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BQDSPU0Z.txt	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_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	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadNetworkName = "Network 3"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db\WpadDecisionReason = "1"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadDecisionReason = "1"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\52-4d-83-d4-98-db	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadDecision = "0"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db\WpadDecisionTime = 90aba35e77f0da01	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db\WpadDecision = "0"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD3E9AB8-C50E-449A-9003-0A81678A0B63}\WpadDecisionTime = 90aba35e77f0da01	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-4d-83-d4-98-db	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2660

C:\Users\Admin\AppData\Local\Temp\2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-17_2f5d031556d0df8a37ac9cedef49d873_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2704

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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