wannacry | e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ce

General

Target

e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Size

5.0MB
MD5

eec13638a2c565f11b541cdb412c0870
SHA1

bdd19f2c025a906622e02a33d52070915c169101
SHA256

e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ce
SHA512

bb5681b660a919395e5a9fcc38af65198fc582abf113a9c9bbbcb0e6f9b6fa9acc7aff57008d8a8ca6eeae124f21a73d8dbb8730d6a8ebb61b62f131a7b2c495
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjGDdhAdmv1LJMfcH9PO6LLuY:XnAQqMSPbcBVQejDdhnvxJM0H9P

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 (2502) 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
1028	tasksche.exe

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	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.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	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-9f-5d-19-e3-16	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-9f-5d-19-e3-16\WpadDecisionReason = "1"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D496DE85-8C5F-4B8D-8DCB-5F9AE7EB0DC3}\WpadDecisionTime = e01ba5340a52db01	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D496DE85-8C5F-4B8D-8DCB-5F9AE7EB0DC3}\WpadDecision = "0"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D496DE85-8C5F-4B8D-8DCB-5F9AE7EB0DC3}\56-9f-5d-19-e3-16	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-9f-5d-19-e3-16\WpadDecision = "0"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-9f-5d-19-e3-16\WpadDecisionTime = e01ba5340a52db01	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0190000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D496DE85-8C5F-4B8D-8DCB-5F9AE7EB0DC3}	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D496DE85-8C5F-4B8D-8DCB-5F9AE7EB0DC3}\WpadDecisionReason = "1"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D496DE85-8C5F-4B8D-8DCB-5F9AE7EB0DC3}\WpadNetworkName = "Network 3"	e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe

C:\Users\Admin\AppData\Local\Temp\e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
"C:\Users\Admin\AppData\Local\Temp\e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1680
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1028

C:\Users\Admin\AppData\Local\Temp\e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe
C:\Users\Admin\AppData\Local\Temp\e8af6a8ea9b9fc9f7e31f6fd2330847703df9a79e567c9b08ce506804764b0ceN.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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
65a4d25424ad86f9d17606447faebe29

SHA1
158ec1c76a8274d0e6470411d97a45ad60470ce1

SHA256
2f4226ed974bde0e538afd2a230f7ecadb586e5be0e268f1619ffc112d6ff9b2

SHA512
4823ea8681e64e1fc1a03c0c8e9c60eeda99a6d2ef05d899c155b2093b1e09396ec65c53e8bdb14be6f23ae2bb85fe9799ee094a50e8291358151993c4e46fe5

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