wannacry | a48785ef0fdaa1d2754a994d4780e216c890a4e64160392b6405e3a433bc2423

General

Target

2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Size

5.0MB
MD5

cb34ea0955090d2b288b0bf504a5b75f
SHA1

e37a5974ea964fd49ac1305a4722e15790a33f31
SHA256

a48785ef0fdaa1d2754a994d4780e216c890a4e64160392b6405e3a433bc2423
SHA512

d1c4c75a86d821e6687650b614f9a0ba6ce9c24a6732e2d41a31820626494ebfcf2f40dd7b68f8023a03b7a458144a2be9782747e3e119374873dd9d993a94da
SSDEEP

49152:QnTMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:QTPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3299) 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	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\PIJI9FOL.txt	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\PIJI9FOL.txt	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\S9O0D3FG.txt	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\S9O0D3FG.txt	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_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	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_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:"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-41-74-3e-f5-6b\WpadDecisionTime = 80fb26c7b50ddb01	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A0377A8-FF70-4A7F-BEE6-0CA71D73BEB1}	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A0377A8-FF70-4A7F-BEE6-0CA71D73BEB1}\WpadNetworkName = "Network 3"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-41-74-3e-f5-6b	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A0377A8-FF70-4A7F-BEE6-0CA71D73BEB1}\f6-41-74-3e-f5-6b	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A0377A8-FF70-4A7F-BEE6-0CA71D73BEB1}\WpadDecisionReason = "1"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A0377A8-FF70-4A7F-BEE6-0CA71D73BEB1}\WpadDecision = "0"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-41-74-3e-f5-6b\WpadDecisionReason = "1"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-41-74-3e-f5-6b\WpadDecision = "0"	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f01a1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A0377A8-FF70-4A7F-BEE6-0CA71D73BEB1}\WpadDecisionTime = 80fb26c7b50ddb01	2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1688

C:\Users\Admin\AppData\Local\Temp\2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-23_cb34ea0955090d2b288b0bf504a5b75f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2152

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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