wannacry | 0ba983309ad5c87d053d48893c31a233057a53e5f8e381f2173ece65a4b4cefa

General

Target

2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Size

5.0MB
MD5

e7b8c810f446c24a4d73e8b2d9182a9f
SHA1

f5816da588cc195ec4a3f6356879e3d06abd6c2e
SHA256

0ba983309ad5c87d053d48893c31a233057a53e5f8e381f2173ece65a4b4cefa
SHA512

722a0a01b68e9ccf91c096b558c725e675e8c6503990b2bc9bf086ebc32f8817d981d7237862556f4a7d73187df83e3a82e9de5c7255e8542f7eaca977fcfec4
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo:yDqPoBhz1aRxcSUDk3

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3190) 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
2680	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	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_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	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-c1-4f-9f-9d	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{20197DB9-CDFD-414C-B02E-DDC356873D6A}\e6-ef-c1-4f-9f-9d	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{20197DB9-CDFD-414C-B02E-DDC356873D6A}\WpadNetworkName = "Network 3"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{20197DB9-CDFD-414C-B02E-DDC356873D6A}\WpadDecisionReason = "1"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-c1-4f-9f-9d\WpadDecisionReason = "1"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{20197DB9-CDFD-414C-B02E-DDC356873D6A}	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{20197DB9-CDFD-414C-B02E-DDC356873D6A}\WpadDecision = "0"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{20197DB9-CDFD-414C-B02E-DDC356873D6A}\WpadDecisionTime = f072d560274edb01	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-c1-4f-9f-9d\WpadDecisionTime = f072d560274edb01	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ef-c1-4f-9f-9d\WpadDecision = "0"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2080
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2680

C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-14_e7b8c810f446c24a4d73e8b2d9182a9f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2780

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
dacd06949f6dac19af37bc5451bd2c7d

SHA1
dafb5c498ce808f1d8c20130a511edc5605ea53a

SHA256
aa36b04935da36f35d9b09f4d3c22ff8bde0124828aa6d3f97a70fd944a623c0

SHA512
be29a3243a92a2c1f771bf3fa9c7a7e5630b11978baf5579484f1145edddc13a3c700048f13ee88cd6a00074030a122be948e2ade4788c46b094a54c23bb9aab

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