wannacry | 6607d68fdf484f80529b074564b7333ec501009dcc4119d8e288eb183a4c6e2c

General

Target

fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Size

3.6MB
MD5

fc10b531839412a4c9254f572e9c207e
SHA1

8d76adabb16b838b702e768c5ccf4e68bd0a6a1d
SHA256

6607d68fdf484f80529b074564b7333ec501009dcc4119d8e288eb183a4c6e2c
SHA512

b57e165dc20c7e2c3436f3180f1d75593b8521503a11ecb7a51ce8ba61d56520bf7754ed449bd2e4767b3fbb14aa769512444eb01ec3cb7b4c346f38c0e24d8a
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTjQo6SAiMEcaEau3R8yAH1:yDqPoBhz1aRxcSUj36SAD93R8yAV

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3218) 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
2720	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	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	fc10b531839412a4c9254f572e9c207e_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	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8\WpadDecisionTime = e0be64528e11db01	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadDecisionReason = "1"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadDecisionTime = e0be64528e11db01	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8\WpadDecisionReason = "1"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadNetworkName = "Network 3"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8\WpadDecision = "0"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f01a5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadDecision = "0"	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\52-e3-80-5d-f3-f8	fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1504
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2720

C:\Users\Admin\AppData\Local\Temp\fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\fc10b531839412a4c9254f572e9c207e_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2260

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
7172ff9f94ae15389243551e961c4e33

SHA1
14c313839edd26e665f894935784aab5d55d52d2

SHA256
f61776608562ce66decd8c0580c35d95a440496fcfba3c54a8c85c5170b9cac5

SHA512
51d1cfe8eb82f014d076565f7a921c80d3136eb4c5973c983f69cd325b1543a9421d6104c6c26aa12a64243aed2f5db1420afed4386de7d1a1ced8e2706f440c

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Analysis

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