wannacry | 94a640ef67086996fbd8a8e84b68c73f1526a6623bfea5e3bcd2f840d430edd0

General

Target

e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Size

3.6MB
MD5

e1be6575b4b3955f5ef096e20ff7480e
SHA1

6bc8685029f24675395dc2bd4c52bf9a256a352a
SHA256

94a640ef67086996fbd8a8e84b68c73f1526a6623bfea5e3bcd2f840d430edd0
SHA512

a2db4e63417af17d8f260dab29773ea5aa5a99a80b6ad56fd4e334e6e76ab1a80125ba242a0c60bf02242c8c56222b2164e9772ba73e4a0d8c1026102b0eb93a
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXmiH:XnAQqMSPbcBVQej/1INRx+TSqTdX1H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3316) 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
2424	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	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.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	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c\WpadDecisionReason = "1"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c\WpadDecisionTime = d07859bc2b07db01	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c\WpadDecision = "0"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadDecisionTime = d07859bc2b07db01	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\8e-e9-62-78-c7-6c	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00eb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadDecisionReason = "1"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadNetworkName = "Network 3"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadDecision = "0"	e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2384
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e1be6575b4b3955f5ef096e20ff7480e_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2900

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
822d926c4d02cf2e145c6c101408e86f

SHA1
2f0165bedbcd9ccff74b9c306872c03a701a6328

SHA256
1d3851bcad35a9fb4a5efdd1af3bf62ceafd22cc1a1b9df6118a78cd238c07ad

SHA512
d91e1c4d9aea2c089fff749d216ae7c2d7160302edb957c3897ba67dabf48e88ad0752281dc7899b97dacdbb3efd5346956f14fb7a79322def061d9f9ca7fa97

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