wannacry | 4f7f9e039ed529e7334164255b572a652932689c0ffeb4bd78cb45bf9571d399

General

Target

2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Size

3.6MB
MD5

43cdfc3db6d4c2711621a5458f388996
SHA1

f27dfbafc3bb8cf062ef1a09a971aaa4300669fa
SHA256

4f7f9e039ed529e7334164255b572a652932689c0ffeb4bd78cb45bf9571d399
SHA512

29c8b4ae7f6ca19e0e5dbae996adc6992985963b13c6c3c616c44bfbd2f4f95c2c99cdff794a490908e6b2b7d1accfabd7b48825c969cab712893981677bfcd2
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5y3R8yAVp2HI:yDqPe1Cxcxk3ZAEUadiR8yc4HI

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 (3259) 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

Processes:

tasksche.exe

pid process

2640 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

pid	process
2640	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-10-31_43cdfc3db6d4c2711621a5458f388996_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

Processes:

2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{059BE9E7-C281-4531-B1C5-D195D6737F45}\WpadDecisionReason = "1"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{059BE9E7-C281-4531-B1C5-D195D6737F45}\WpadNetworkName = "Network 3"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-74-c5-e2-13-7a\WpadDecision = "0"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0066000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-74-c5-e2-13-7a\WpadDecisionTime = 40dca993482bdb01	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{059BE9E7-C281-4531-B1C5-D195D6737F45}\WpadDecision = "0"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-74-c5-e2-13-7a	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{059BE9E7-C281-4531-B1C5-D195D6737F45}\c2-74-c5-e2-13-7a	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-74-c5-e2-13-7a\WpadDecisionReason = "1"	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{059BE9E7-C281-4531-B1C5-D195D6737F45}	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{059BE9E7-C281-4531-B1C5-D195D6737F45}\WpadDecisionTime = 40dca993482bdb01	2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1624
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2640

C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2568

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
8a708a7958653a52b38001b9cccaf370

SHA1
799e5398a02e89d2814657bd48163740354cd026

SHA256
0c0130ac7cfe08e0b95a4860b06d8c2fac0cd6c5726c6d4ea480f142cab20be6

SHA512
59fb5f8841710836baa0401a7e806b9b66188514b901e82b7c8b32c76706c4f7c4087fda722c59b4e5c0123a3f060c406b14103217847b17d61c46142fd27d3b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads