wannacry | 4ba731267e10fd418e135d69ee20d44b3e5af9b69f2fd8c565136f23c470d598

General

Target

2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Size

2.2MB
MD5

bc307c99c999ed1f0cc3786694419893
SHA1

c5da9c9e07ec7b205c0de7c5bff808ffcaf7a7bd
SHA256

4ba731267e10fd418e135d69ee20d44b3e5af9b69f2fd8c565136f23c470d598
SHA512

453e827492208213a9ce8ba9d0936df582ce587d7b6411976ab79c2d6dca34c240536e904d02d5de328fea72222139912dd256c127787e53f230cb8bec4eddb5
SSDEEP

24576:QbLgurgQhfdmMSirYbcMNgef0QeQjG0XmiHqX6SASk+RdP:QnsQqMSPbcBVQej0X1HG6SAARdP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3155) 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 created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\6LB7JCSZ.txt	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\6LB7JCSZ.txt	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3JW2Z06W.txt	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3JW2Z06W.txt	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-11_bc307c99c999ed1f0cc3786694419893_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	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\02-f2-da-ea-75-8c	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c\WpadDecisionTime = 90b206f4791bdb01	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadDecisionTime = 90b206f4791bdb01	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadNetworkName = "Network 3"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ca000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadDecisionReason = "1"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadDecision = "0"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c\WpadDecisionReason = "1"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c\WpadDecision = "0"	2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1652

C:\Users\Admin\AppData\Local\Temp\2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_bc307c99c999ed1f0cc3786694419893_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3032

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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