wannacry | 0e700f9cea8c533670c92ecdb0002c95aebdb2ce363e91f87dc2dbb0176bec82

General

Target

c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Size

3.6MB
MD5

c431789949567e405d5bd9ad7c1f8a18
SHA1

83ad07ce3b328c4f75150d2645fd869487f0e41f
SHA256

0e700f9cea8c533670c92ecdb0002c95aebdb2ce363e91f87dc2dbb0176bec82
SHA512

27d3008c5ceb344ab5a3b15eae4bd79ef00cb51540f62dc48ab896e7971a5f44bf0f9e2c85f2dbc13c6b4a20532319798238050980414b6af874ec417fab4295
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARv:yDqPoBhz1aRxcSUDk36SAE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3197) 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
2096	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	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	c431789949567e405d5bd9ad7c1f8a18_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	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37AADF6B-E525-402F-8241-163AF54C3350}	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37AADF6B-E525-402F-8241-163AF54C3350}\WpadDecision = "0"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-7a-68-3e-d7-68\WpadDecisionReason = "1"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37AADF6B-E525-402F-8241-163AF54C3350}\WpadDecisionReason = "1"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37AADF6B-E525-402F-8241-163AF54C3350}\WpadNetworkName = "Network 3"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-7a-68-3e-d7-68	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-7a-68-3e-d7-68\WpadDecision = "0"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37AADF6B-E525-402F-8241-163AF54C3350}\fa-7a-68-3e-d7-68	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37AADF6B-E525-402F-8241-163AF54C3350}\WpadDecisionTime = 40c9cc5126f8da01	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-7a-68-3e-d7-68\WpadDecisionTime = 40c9cc5126f8da01	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2552
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2096

C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2368

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
d467f3d9f8b7019e0f6e482ae18f5de3

SHA1
da00411a6236cc267f884a0fa2fe64d9d74e47bb

SHA256
230d5515457097130745f0774cf6e704b569b207ffbcfcbcad8e25e5ef14fb92

SHA512
bf3e63074f9b39f059e0b151a1d97c62d1d40a5c2ec7ade145f80682c1fe8bf8f7680e439ba7b745e08e82a69818dea767ba556f37fb604d2d2941cce1ad7fab

Download Submit

Analysis

Sharing