wannacry | f0708de327654842703a911207af97d0352c636d83f272351b45d8e1f8eecdaf

General

Target

2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Size

5.0MB
MD5

f484573dd5ec90ad7047077561c474e2
SHA1

47b7c67fba2f0a1c9f904cf20131924d24b752e1
SHA256

f0708de327654842703a911207af97d0352c636d83f272351b45d8e1f8eecdaf
SHA512

fff71dd3e04f3cb942990b44a994411b33135e5af9bb22a67be1418dfa01c324279a4ff505cbea53d770bd5d914f1632294a3ffaa3bf03d9deadef64798e9d81
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

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 (3318) 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
2960	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	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-23_f484573dd5ec90ad7047077561c474e2_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	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BC977695-0DCD-4DE5-A62C-D2CCFA9E2BD8}\WpadDecisionReason = "1"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b3-09-d6-34-e2\WpadDecisionReason = "1"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b3-09-d6-34-e2\WpadDecisionTime = 501073d6a93ddb01	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b3-09-d6-34-e2\WpadDecision = "0"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0089000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BC977695-0DCD-4DE5-A62C-D2CCFA9E2BD8}	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BC977695-0DCD-4DE5-A62C-D2CCFA9E2BD8}\WpadDecision = "0"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BC977695-0DCD-4DE5-A62C-D2CCFA9E2BD8}\WpadNetworkName = "Network 3"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b3-09-d6-34-e2	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BC977695-0DCD-4DE5-A62C-D2CCFA9E2BD8}\fa-b3-09-d6-34-e2	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BC977695-0DCD-4DE5-A62C-D2CCFA9E2BD8}\WpadDecisionTime = 501073d6a93ddb01	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2820
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2960

C:\Users\Admin\AppData\Local\Temp\2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-23_f484573dd5ec90ad7047077561c474e2_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2220

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
30347f8f33a3be47810505498e610c2c

SHA1
0e68b24fc7d3c97a0d61f2d4463bae0d518dcaa9

SHA256
94c251b61cf09e27852f5b26fecc842a689422272bd2f81a3bd54d010d70a0c4

SHA512
29d5a773193029e9e3e5bc68e0c87825ea0857d418f6429fe035d674ef510ee2a8173360c423f3c8e085302ddebc2d4a044f1eae5dd7e496623d8d28f11d38ff

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