wannacry | 2e7272a4815c5eb858fd96775093bb43331afd613e00125dcf3c0869a0360a77

General

Target

2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Size

3.6MB
MD5

66f90b20a55a95ac3c40881296c1e052
SHA1

7f5feea526786b9303fa0b0cc598cbd6ff6c9bbf
SHA256

2e7272a4815c5eb858fd96775093bb43331afd613e00125dcf3c0869a0360a77
SHA512

bafbe5dab300abb02ea5e1ca49c91a80b5ba5f3e5554059d88840e208cce703892b0e42f40786a119d700513724a22da26f6f3cb5d3d630ab5d63c42594f32c8
SSDEEP

49152:2nAQqMSPbcBVTNRx+TSqTdX1HkQo6SAARdhnv:yDqPoBfRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3250) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
1836	tasksche.exe

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 1 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_66f90b20a55a95ac3c40881296c1e052_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_66f90b20a55a95ac3c40881296c1e052_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_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadDecisionReason = "1"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadDecision = "0"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\ea-cb-2e-67-9a-ac	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac\WpadDecision = "0"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0197000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadDecisionTime = 60a8d5f1591cdb01	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadNetworkName = "Network 3"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac\WpadDecisionTime = 60a8d5f1591cdb01	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac\WpadDecisionReason = "1"	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1724
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1836

C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_66f90b20a55a95ac3c40881296c1e052_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1856

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
d8824e6a7ff48995baac080f3ecf55fb

SHA1
faaab4ca804cade5aac806212d19ec557ef78edf

SHA256
550c355650a31a82e2f9470719ee7a075518b0b50c93358556bf6d9725e24335

SHA512
7452fc06639eb9614977b9be4a429eed8f2d050da468532cd77509fd9ad61299aa6369afee5a24d8befda58da120aaf30c409b1ef48dada43adcadbb48d01de0

Download Submit

Analysis

Sharing