wannacry | b5d5e164a06c04ace95329e6f5a59c7d342ca1d67529e49c579055e1017988c7

General

Target

2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Size

5.0MB
MD5

0d193b07430484b44c8b2d7954da81b3
SHA1

f2e899e62ac2a2d7c5d2515637c22e1107577996
SHA256

b5d5e164a06c04ace95329e6f5a59c7d342ca1d67529e49c579055e1017988c7
SHA512

a90c0a87315ad5f18c52cd7cef22eb2876946f9b26644179c096f64c5053f87bfb4d33d13d43e1ca3770655714514c801d2e0dc92f556564e7ef3ff25e88dc61
SSDEEP

49152:XnAQqMSPbcBVbINx+TSqTdXeRdhnvaAMEc:XDqPoB5axcSU4dhva5

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 (3349) 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
1960	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	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-17_0d193b07430484b44c8b2d7954da81b3_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	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\de-51-29-1f-e9-c8	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadDecision = "0"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8\WpadDecisionTime = 8040bb336e50db01	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadNetworkName = "Network 3"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8\WpadDecisionReason = "1"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadDecisionReason = "1"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadDecisionTime = 8040bb336e50db01	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8\WpadDecision = "0"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0076000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1968
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1960

C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2148

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
b6e8e9767756207cc1428534ca41d447

SHA1
53f782881400e8299621120e6d9597313acfa4b5

SHA256
535c77486f4d23ffac1df8e7d3d67bc372d28fef5c75249780b7f6ecc30df8f1

SHA512
3b3a905e3e509f6cea1f0293bbd3609975f4608171177bd9607dea489abce96e5faa5256fde0146f8f6a484c60d00bc3d493d5ffb87d6d7b5a2deb317f845da4

Download Submit

Analysis

Sharing