wannacry | 549b4fbba9a1f42c3df4823a6ffcd97fde9821c311669c674c38bbc7897f9ef3

General

Target

2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Size

2.2MB
MD5

28925ede5070364dc8b673620a1243b7
SHA1

d2554e23b3c3b383ab39ac041f5090ae3761e3ae
SHA256

549b4fbba9a1f42c3df4823a6ffcd97fde9821c311669c674c38bbc7897f9ef3
SHA512

221c573f301fc52d1b8aaf561dc7a67288d67731dfbfe83797b44e874618426a85453af589c1b923046dc2bba8a5d79f89356241369ffa58e53dd426ebd728a9
SSDEEP

49152:QnpESPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvn:QpHoBhz1aRxcSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3203) 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\9AII27EG.txt	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\9AII27EG.txt	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\J2YXNXRG.txt	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\J2YXNXRG.txt	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_28925ede5070364dc8b673620a1243b7_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_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_28925ede5070364dc8b673620a1243b7_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_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1178666B-3158-4B33-8F7A-A4EDB4DF6CA7}	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1178666B-3158-4B33-8F7A-A4EDB4DF6CA7}\WpadDecisionReason = "1"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1178666B-3158-4B33-8F7A-A4EDB4DF6CA7}\WpadNetworkName = "Network 3"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-b4-79-f0-38-ac\WpadDecision = "0"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1178666B-3158-4B33-8F7A-A4EDB4DF6CA7}\WpadDecisionTime = 30f991a2ff10db01	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1178666B-3158-4B33-8F7A-A4EDB4DF6CA7}\WpadDecision = "0"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-b4-79-f0-38-ac	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1178666B-3158-4B33-8F7A-A4EDB4DF6CA7}\62-b4-79-f0-38-ac	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-b4-79-f0-38-ac\WpadDecisionReason = "1"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f01a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-b4-79-f0-38-ac\WpadDecisionTime = 30f991a2ff10db01	2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2212

C:\Users\Admin\AppData\Local\Temp\2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_28925ede5070364dc8b673620a1243b7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2568

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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