wannacry | 5d681c55d2e05966c62bf20d083ca5b65ffd8796228f69e4e5effd11a7611178

General

Target

2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Size

2.2MB
MD5

f4471724982691542cba3d0b3c688f2a
SHA1

b3e7fe0e6d0b359aa12ce1e7450c771ff4ffd4ff
SHA256

5d681c55d2e05966c62bf20d083ca5b65ffd8796228f69e4e5effd11a7611178
SHA512

8f56ab82060af6875da8b0f2c37a8353efdc09f91484776a56cc64f1e8f955044f36d15e05b0b43452e88393296472f0d2e767c00aa7cda30c8710f7117c2efd
SSDEEP

49152:QnsEMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAR9eGmHG:QfPoBhz1aRxcSUDk36SAEYGGG

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3219) 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\3DUCBUNB.txt	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3DUCBUNB.txt	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\V0IC1VAZ.txt	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\V0IC1VAZ.txt	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-17_f4471724982691542cba3d0b3c688f2a_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	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadDecisionTime = 60774acc3720db01	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadNetworkName = "Network 3"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b\WpadDecisionReason = "1"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b\WpadDecision = "0"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\82-4e-d3-0a-a0-2b	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadDecisionReason = "1"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadDecision = "0"	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b\WpadDecisionTime = 60774acc3720db01	2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2648

C:\Users\Admin\AppData\Local\Temp\2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-17_f4471724982691542cba3d0b3c688f2a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2692

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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