wannacry | 6c205c61e49c3f9dfa5648cebe8e573b6317fd3d4ea6b22a65c8bb1e17a3198d

General

Target

2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Size

5.0MB
MD5

ebda9fcc7729dd225a8fdcb9b429ead8
SHA1

38c6c5d890ce4fc5f2d6e9671b963f497eaba406
SHA256

6c205c61e49c3f9dfa5648cebe8e573b6317fd3d4ea6b22a65c8bb1e17a3198d
SHA512

973fb700aad389c4b1317f6fdffa8057c167443957e44e3776426250c14cf46e8aaee98b1c513869c2fcc36147b59954396f78cc0613deb94f62d3979ac95f3e
SSDEEP

98304:XhqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XhqPe1Cxcxk3ZAEUadzR8yc4H

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 (2892) 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

2644 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
2644	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_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_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_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_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f016f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B40A854-515A-4879-8776-C9A20C8725F3}	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-95-d0-a9-f0-fb	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-95-d0-a9-f0-fb\WpadDecisionTime = f05a3c1ca42bdb01	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B40A854-515A-4879-8776-C9A20C8725F3}\WpadDecisionTime = f05a3c1ca42bdb01	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B40A854-515A-4879-8776-C9A20C8725F3}\WpadDecision = "0"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B40A854-515A-4879-8776-C9A20C8725F3}\6e-95-d0-a9-f0-fb	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-95-d0-a9-f0-fb\WpadDecision = "0"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-95-d0-a9-f0-fb\WpadDecisionReason = "1"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B40A854-515A-4879-8776-C9A20C8725F3}\WpadDecisionReason = "1"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B40A854-515A-4879-8776-C9A20C8725F3}\WpadNetworkName = "Network 3"	2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:576
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2644

C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-31_ebda9fcc7729dd225a8fdcb9b429ead8_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:768

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
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads