wannacry | 425e0ddf82a0a4755bb589dcc81e4fee8af7de07a42b992b65c899c78a4694c6

General

Target

2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Size

2.2MB
MD5

4c5c0b492e82a7ee9eaee32aec55cf58
SHA1

2d4215144268d13fcc0531e26724c041fd4ac4f8
SHA256

425e0ddf82a0a4755bb589dcc81e4fee8af7de07a42b992b65c899c78a4694c6
SHA512

60bbbfcd961308b714d049b0c4b78581d9f3a1c5f81d25da4387020f4c5dd945b35b48f3e708bae234685d38194207993a058f3b8d9936676cff3fb6dfe6baa2
SSDEEP

49152:QnsEMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhn1:QfPoBhz1aRxcSUDk36SAEdh1

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3222) 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	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\MTK48HLF.txt	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\MTK48HLF.txt	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\4H16CV8R.txt	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\4H16CV8R.txt	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_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	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0086000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F44A5341-E86E-4E56-8F4C-A69D42956197}\WpadDecision = "0"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F44A5341-E86E-4E56-8F4C-A69D42956197}\WpadNetworkName = "Network 3"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-03-cc-a0-48-36\WpadDecision = "0"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F44A5341-E86E-4E56-8F4C-A69D42956197}\b2-03-cc-a0-48-36	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-03-cc-a0-48-36\WpadDecisionReason = "1"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F44A5341-E86E-4E56-8F4C-A69D42956197}	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F44A5341-E86E-4E56-8F4C-A69D42956197}\WpadDecisionReason = "1"	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F44A5341-E86E-4E56-8F4C-A69D42956197}\WpadDecisionTime = 50d6eeed581cdb01	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-03-cc-a0-48-36	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-03-cc-a0-48-36\WpadDecisionTime = 50d6eeed581cdb01	2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2396

C:\Users\Admin\AppData\Local\Temp\2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_4c5c0b492e82a7ee9eaee32aec55cf58_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1952

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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