wannacry | bb706a56bdca2b113fc4e6e0d29f9176edb81f00c5a77149c10268de8f8ac4d2

General

Target

e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Size

3.6MB
MD5

e359629d139d776b006c2e20b8a9b4fb
SHA1

91a7765b0798d4eb4ec397a16244d2312ecc9628
SHA256

bb706a56bdca2b113fc4e6e0d29f9176edb81f00c5a77149c10268de8f8ac4d2
SHA512

6b073afe893f5b7150eed6be6463d5d9ac9b9f047b92465def95999ee0c80002851f7fc9e22707c69b93c2ab10e4af7808bf4232aeb35947396fefbe28813f02
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9d:XDqPoBhz1aRxcSUDk36SAEdhvxWa9d

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3294) 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
2956	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	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e359629d139d776b006c2e20b8a9b4fb_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	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E25E846E-219A-49AF-BD2F-5F7B665DA5C0}\WpadDecisionTime = 302da74bb207db01	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E25E846E-219A-49AF-BD2F-5F7B665DA5C0}\WpadDecision = "0"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e0-a4-b7-81-e9\WpadDecisionTime = 302da74bb207db01	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e0-a4-b7-81-e9\WpadDecision = "0"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E25E846E-219A-49AF-BD2F-5F7B665DA5C0}\WpadDecisionReason = "1"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E25E846E-219A-49AF-BD2F-5F7B665DA5C0}\WpadNetworkName = "Network 3"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E25E846E-219A-49AF-BD2F-5F7B665DA5C0}\e6-e0-a4-b7-81-e9	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e0-a4-b7-81-e9\WpadDecisionReason = "1"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E25E846E-219A-49AF-BD2F-5F7B665DA5C0}	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e0-a4-b7-81-e9	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1736
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2956

C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e359629d139d776b006c2e20b8a9b4fb_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2808

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
ee1bc7c54c6a6dfd29613e0d95474027

SHA1
451c29f3fce7c0b2883064a0ceb36ec04a027870

SHA256
882f6c0786aa463f82f578f989937c06ae1334f31a060eb7ad5dae93ba036610

SHA512
00c5074dcad2efe42e384f59010e68c6e41df0221a8bbd9a900cbb47b2787d1cdc3d23127fa52f1c173e93bb73b2d8cdf9a1255b1ff5fedd25bd9bdc11a19b1a

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