wannacry | 7ab0d621d36b1f515c2ba2f55855bdef4fbd389238247abeb05724ccb0d50de7

General

Target

2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Size

5.0MB
MD5

2614c782685fec6a5b83274befa9f390
SHA1

a55413cf8afaf3f7528f2df2ab07d2735ff92162
SHA256

7ab0d621d36b1f515c2ba2f55855bdef4fbd389238247abeb05724ccb0d50de7
SHA512

797acb6dbc39f417f13e2473dd32a1e40f76ec2ddb787a93bdf0929b663a8f00d73be7ac75af06cf6d8473ed240e7e9c296186fc8589347e72267e9504fd962b
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEcaEa:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

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 (3345) 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
2096	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	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-11_2614c782685fec6a5b83274befa9f390_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	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecisionTime = 7029ecc4b94bdb01	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecisionTime = 7029ecc4b94bdb01	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecision = "0"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecision = "0"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\b6-ca-83-25-1a-41	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecisionReason = "1"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecisionReason = "1"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadNetworkName = "Network 3"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1900
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2096

C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2556

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
473ce92136b3c518847c96c83ebf6a6c

SHA1
01ad8876ec515dda21e8c807d0fae3f8d8f5b3e3

SHA256
d9f903ae09151dd0953db15026d54265218e73d9aac5e9dac6a9219040ee9890

SHA512
653771f676ab6382d3f18e02e04f1b7b7a7a956860449db5ac6c98e39c9425f942e700b1766dd6588461b70e29621d4460270e4d95ee905e3d0a44d21572c5f7

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Analysis

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