wannacry | 6fb1ce58925bdd4021c0f0fb3627b99cd340d7aaa319e55f78a5f5bf2619b14b

General

Target

20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Size

3.6MB
MD5

ffdf7ed06ac1e6d59505cbdbf1a12596
SHA1

f9e267802508b0c4b84b6129b3ab2512622a2346
SHA256

6fb1ce58925bdd4021c0f0fb3627b99cd340d7aaa319e55f78a5f5bf2619b14b
SHA512

640627226cad595495c372fb00a3bc021ef09f7829819e8042210d3ac6de6c316adc60b24d0c5d4e03b048328243b9a907be7ef4876d5510d28013ccf563e786
SSDEEP

98304:QGPoBhz1aRxcSUGBBBBBBBBBBBBBBcBBBBBBBBBBBBBBEWa9P5:QGPe1CxcIBBBBBBBBBBBBBBcBBBBBBBa

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3298) 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\Roaming\Microsoft\Windows\Cookies\CWT3NQX6.txt	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JDGWYD5U.txt	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JDGWYD5U.txt	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\CWT3NQX6.txt	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.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	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadDecisionTime = f04bc78d3f11db01	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b\WpadDecision = "0"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadNetworkName = "Network 3"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f015f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\a6-46-d6-66-b3-0b	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b\WpadDecisionReason = "1"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadDecisionReason = "1"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadDecision = "0"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b\WpadDecisionTime = f04bc78d3f11db01	20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1928

C:\Users\Admin\AppData\Local\Temp\20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240927ffdf7ed06ac1e6d59505cbdbf1a12596wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2076

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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