wannacry | 48364dbea7fac893e0e0ddbbdc2f5a130ad24e4d1ff9f3d2eddc1ddf55ce6c7c

General

Target

2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Size

3.6MB
MD5

24f10c2f8221aaffea06713135ae6548
SHA1

12a16ac5c35b3cc29a8d4df1a7a6c8853751ac2d
SHA256

48364dbea7fac893e0e0ddbbdc2f5a130ad24e4d1ff9f3d2eddc1ddf55ce6c7c
SHA512

ccb389b6604b69088cc51483cda22dea1b33aaa344fa1c43dcbf865617dfc28ff08d4882913baa306ba7900345d069ebc038b1716b9227fbab794710e37b13a8
SSDEEP

98304:yDqM31aRxcSUDk36SAEdhvxWa9P593R8yAVbI:yDqY1Cxcxk3ZAEUadzR8ycbI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3287) 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
2300	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	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_24f10c2f8221aaffea06713135ae6548_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	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D876AFBE-BBF6-4346-BDAB-A4A3171EA7E4}\WpadDecisionReason = "1"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-b1-b6-2c-57-05	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-b1-b6-2c-57-05\WpadDecision = "0"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D876AFBE-BBF6-4346-BDAB-A4A3171EA7E4}\WpadDecision = "0"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D876AFBE-BBF6-4346-BDAB-A4A3171EA7E4}\WpadNetworkName = "Network 3"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D876AFBE-BBF6-4346-BDAB-A4A3171EA7E4}\4e-b1-b6-2c-57-05	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D876AFBE-BBF6-4346-BDAB-A4A3171EA7E4}\WpadDecisionTime = 007f1523591cdb01	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-b1-b6-2c-57-05\WpadDecisionReason = "1"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D876AFBE-BBF6-4346-BDAB-A4A3171EA7E4}	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-b1-b6-2c-57-05\WpadDecisionTime = 007f1523591cdb01	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:272
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2300

C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2092

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
0fff8288fe38a2705cd8155264995d76

SHA1
73b38e58eee6fdd187e42fc31a8434c2bf5f81b5

SHA256
e02ce675af8922a91da2926ff36f64e1fc0feb2b4002cd142dff4e8380552336

SHA512
5052301ecdb339257c4db4522b2c3e8536fc2128370b44d9cc66853e11298e8c29502f76427a60b1a6079c431d78c514d8d2d668de975cdee6e44f38c7e14911

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Analysis

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