wannacry | 9ee78cb98cac7c2078502972faef541c923ee67f1f85f1d81cda8d9339ee7081

General

Target

2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Size

2.2MB
MD5

809feb127e657bd089d8f522f5b5bde4
SHA1

4fb3b7343ffc0c44ce4e5fbbd00c5140102edbac
SHA256

9ee78cb98cac7c2078502972faef541c923ee67f1f85f1d81cda8d9339ee7081
SHA512

dcc434f1761623c31237d945db6c069f5f7e23efcb13e04f827d800b8a989ddac4fdecc59214cf40b933c59151629399bf5c41731d3e70c15d7118591d91515f
SSDEEP

49152:QnfMSPbcBVE+TSqTdX1HkQo6SAARdhnvn:QfPoBecSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3246) 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	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FQJ1HH7I.txt	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FQJ1HH7I.txt	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\COU62H72.txt	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\COU62H72.txt	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_809feb127e657bd089d8f522f5b5bde4_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	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FCA4A07A-C2A8-47F7-BB51-2AB5EA8FC4AB}\WpadDecisionTime = 100a05de0011db01	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-48-9a-12-b4-24\WpadDecision = "0"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FCA4A07A-C2A8-47F7-BB51-2AB5EA8FC4AB}\WpadDecision = "0"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FCA4A07A-C2A8-47F7-BB51-2AB5EA8FC4AB}\3e-48-9a-12-b4-24	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-48-9a-12-b4-24\WpadDecisionReason = "1"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FCA4A07A-C2A8-47F7-BB51-2AB5EA8FC4AB}	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FCA4A07A-C2A8-47F7-BB51-2AB5EA8FC4AB}\WpadDecisionReason = "1"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-48-9a-12-b4-24\WpadDecisionTime = 100a05de0011db01	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FCA4A07A-C2A8-47F7-BB51-2AB5EA8FC4AB}\WpadNetworkName = "Network 3"	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-48-9a-12-b4-24	2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1480

C:\Users\Admin\AppData\Local\Temp\2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_809feb127e657bd089d8f522f5b5bde4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2528

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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