wannacry | 24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708

General

Target

24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Size

5.0MB
MD5

7eb5c49d2a0ed285b2fc260b48bd7204
SHA1

8e4ad6861f9ddbf63e39fbdbcae6d6b0c9ccaadd
SHA256

24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708
SHA512

873f9a1bb1b8ddca8242e1f146f6d8de4548b743d2838718d651d5dfcf6263df67f0cdbd0c23b6134c2ae311eb94dc843dee7d4ce892571f3755849208d726e5
SSDEEP

98304:yDqPoBhz1aYk36SAEdhvxWa9P593R8yAVp2H:yDqPe1dk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3344) 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
2520	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	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.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	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadDecision = "0"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c\WpadDecision = "0"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadDecisionTime = b088b954a612db01	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c\WpadDecisionTime = b088b954a612db01	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadNetworkName = "Network 3"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadDecisionReason = "1"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\ca-ac-b9-a0-0b-6c	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c\WpadDecisionReason = "1"	24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe

C:\Users\Admin\AppData\Local\Temp\24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
"C:\Users\Admin\AppData\Local\Temp\24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2584
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2520

C:\Users\Admin\AppData\Local\Temp\24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe
C:\Users\Admin\AppData\Local\Temp\24459d72ce6e9759aeb17a7703fde9a5f93ab9c488032913647ab2be348f9708.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1384

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
fb403cdb6e9f1b6b3b3a159b1bb3fdb2

SHA1
a540ce6a152d6a7e92753f977d0d0eafc54c3ef7

SHA256
13a102bcac7ac0c7cf4b9f7aaf1be8a61053e6cc751b7140f39899382a3e7a0f

SHA512
bd3d64f676e55aae6cadd9d0766b49f0ad441f9e6fd5d79b90dfe4ccfc57d568681fd19c25ac74495cef329a3909899893a9d2340b8d9d18971531da20640957

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