wannacry | 266a1a0770264992c277ebdcc74de2a3979b16a7f4487276009f67e9961b334e

General

Target

2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Size

5.0MB
MD5

e3c6dd09591aa090fd297874a5757f0c
SHA1

bcfcb67e1627052036be0df8454dd7a8601664e6
SHA256

266a1a0770264992c277ebdcc74de2a3979b16a7f4487276009f67e9961b334e
SHA512

8cf062b21fab9b565951973b09fa40b726521ea74ef9d1a4f4aba16c8786555421dff6ada169c48b618ee740051db67d09628e9142fecf8808c5510d9de0f866
SSDEEP

98304:XDqPoBheaRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XDqPpCxcxk3ZAEUadzR8yc4H

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 (3230) 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
2652	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	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_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	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f009f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8BEB547A-DA13-4D85-9F0D-DF6E80E0E76A}\WpadNetworkName = "Network 3"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-a0-92-dd-05-50	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-a0-92-dd-05-50\WpadDecisionReason = "1"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-a0-92-dd-05-50\WpadDecisionTime = c0fd71080f68db01	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8BEB547A-DA13-4D85-9F0D-DF6E80E0E76A}	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8BEB547A-DA13-4D85-9F0D-DF6E80E0E76A}\WpadDecisionReason = "1"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8BEB547A-DA13-4D85-9F0D-DF6E80E0E76A}\WpadDecisionTime = c0fd71080f68db01	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8BEB547A-DA13-4D85-9F0D-DF6E80E0E76A}\WpadDecision = "0"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8BEB547A-DA13-4D85-9F0D-DF6E80E0E76A}\86-a0-92-dd-05-50	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-a0-92-dd-05-50\WpadDecision = "0"	2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2452
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2652

C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-16_e3c6dd09591aa090fd297874a5757f0c_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2036

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
b058c1426ba4967961ebb505c1e7ecc6

SHA1
d28b760a3dceed0d9c3d0e2138023d53992cf105

SHA256
b13fcd1c448fa3cb62b507fd26bcb8e8610efd832c1f6a2ee7d43495dd31e4aa

SHA512
c21a12db8d9a33087bb9cc29a0c6bc1e3e9517a292c1b58fc956225df1e3c5679a1618f9aaeca2619de5d19f2e6ba9175f22369a0ea15cce129b36db162f092c

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Analysis

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