wannacry | c153491690d455ad942b55fa10252f89c9c52692458a0a6e6f769f091eb0118e

General

Target

2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Size

5.0MB
MD5

54b5023c7755d4e7ead14ee285a0de56
SHA1

f0a3779779cbff76f202c4ef5a29d510f280bbc3
SHA256

c153491690d455ad942b55fa10252f89c9c52692458a0a6e6f769f091eb0118e
SHA512

f9c9a3224df166d7a02c22160fa5b7a49683a914fbc8df0489a21effe0ddf271b34bddac3f9647da2acf77d524ab651137a3705f3c4c7d4441b647535193d0f0
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhx3R8yAVp2H:yDqPe1Cxcxk3ZAE1R8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3289) 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
2896	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	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_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	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\02-f2-da-ea-75-8c	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c\WpadDecision = "0"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ca000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadDecisionTime = e0c46db25512db01	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadDecision = "0"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadNetworkName = "Network 3"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c\WpadDecisionTime = e0c46db25512db01	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-f2-da-ea-75-8c\WpadDecisionReason = "1"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8601E328-1EC7-4796-93FE-584D2E341690}\WpadDecisionReason = "1"	2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1868
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_54b5023c7755d4e7ead14ee285a0de56_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3020

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
e23a0c039b52cf07a5f34f406d451227

SHA1
ec5b0ec8d0fd19e9968775f6007fd04ab9ce1174

SHA256
d6371f3f75ec915b35601ab89263ff26fc1e2ff443d88f5fb5d8032513060470

SHA512
a250b0f1da2e6c2dbaef0068690ddc40a26274cc9d8594df832e4415e7f99eeb72300d30564d0a38099679e565601d4d75ba4864865056f7e96bf1961647ff41

Download Submit

Analysis

Sharing