wannacry | c714413463d40061b3f07ec6cdfde55eac91fc91ae96bc38ac8adabe74ce1a15

General

Target

ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Size

3.6MB
MD5

ff14280269718d80db5523a530f51e18
SHA1

c754c2bf56377aaa38ff48b3bcbde724a889ec1d
SHA256

c714413463d40061b3f07ec6cdfde55eac91fc91ae96bc38ac8adabe74ce1a15
SHA512

5b7b6bfc97c5afdde26a1f296101de39a0f2148f6ec95ae461b40e1ff2082d420d4db076705e306f7aa5755a3f8c53ea8ef6e222905dbf9495a719279ad7d795
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
Contacts a large (3240) 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
2120	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	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	ff14280269718d80db5523a530f51e18_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	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{22FF631F-9759-4079-B847-5A52125836E9}	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{22FF631F-9759-4079-B847-5A52125836E9}\WpadDecision = "0"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{22FF631F-9759-4079-B847-5A52125836E9}\WpadNetworkName = "Network 3"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-98-f6-20-7b-45\WpadDecisionReason = "1"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{22FF631F-9759-4079-B847-5A52125836E9}\WpadDecisionTime = 703e20d59912db01	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-98-f6-20-7b-45\WpadDecision = "0"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{22FF631F-9759-4079-B847-5A52125836E9}\WpadDecisionReason = "1"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ce000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-98-f6-20-7b-45	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{22FF631F-9759-4079-B847-5A52125836E9}\ea-98-f6-20-7b-45	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-98-f6-20-7b-45\WpadDecisionTime = 703e20d59912db01	ff14280269718d80db5523a530f51e18_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff14280269718d80db5523a530f51e18_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1648
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2120

C:\Users\Admin\AppData\Local\Temp\ff14280269718d80db5523a530f51e18_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ff14280269718d80db5523a530f51e18_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2576

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
d2f0b6161a8ea4426e9b1417755f8814

SHA1
253e827844bfc4cbfd501f569c1c04032510de3f

SHA256
0c3f101539f6b77e3300e4416933426266ec15d0590995bbe897a8e04ab18e75

SHA512
e42445a87e099d52e2209d852a184756e379d24a0180d1d0abef58d5c9ce9ef445fc58cbc400128a3c34f4f8f283d1e2bbf1e17b5fbef2464bc7e164e000a950

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Analysis

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