wannacry | 380d7afc0e5d601080a539f0bded7c11f3b8605d5ec41f3d56128ac8454663b3

General

Target

2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Size

5.0MB
MD5

fd19db7dee69664b704e673b98f3e768
SHA1

f3ce71e265d28f9859d19c546c1f2027389b8d48
SHA256

380d7afc0e5d601080a539f0bded7c11f3b8605d5ec41f3d56128ac8454663b3
SHA512

aa77d7124f81e502b38dc25308a62b357a261221d3878ceafb4cf90b4704f82f543b53ae6d619f76266e7dafb4b986a04ee305e2d916300839dc4c5b2fd3e027
SSDEEP

24576:QbLguriBJMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXmiH:QnGMSPbcBVQej/1INRx+TSqTdX1H

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 (3267) 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\92EQEV43.txt	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\2R82G6BJ.txt	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\2R82G6BJ.txt	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\92EQEV43.txt	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-21_fd19db7dee69664b704e673b98f3e768_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	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0084000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2102CCE8-2A73-466E-AF08-AE5DAC98551A}\4e-c5-17-1c-b3-12	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2102CCE8-2A73-466E-AF08-AE5DAC98551A}\WpadDecisionReason = "1"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2102CCE8-2A73-466E-AF08-AE5DAC98551A}\WpadDecisionTime = e066566e8384db01	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2102CCE8-2A73-466E-AF08-AE5DAC98551A}\WpadDecision = "0"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-c5-17-1c-b3-12	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2102CCE8-2A73-466E-AF08-AE5DAC98551A}\WpadNetworkName = "Network 3"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2102CCE8-2A73-466E-AF08-AE5DAC98551A}	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-c5-17-1c-b3-12\WpadDecisionReason = "1"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-c5-17-1c-b3-12\WpadDecisionTime = e066566e8384db01	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-c5-17-1c-b3-12\WpadDecision = "0"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2052

C:\Users\Admin\AppData\Local\Temp\2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-21_fd19db7dee69664b704e673b98f3e768_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2228

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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