wannacry | 5f0eb9ab500665e6f7251aea5ec2fbeff7f74d9a3bdef34245e63a53599e5cc8

General

Target

d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Size

3.6MB
MD5

d60eb1b1cce833e5ef6dda81ca74a9c6
SHA1

465f21405a5a4086160c8a945a24adb7d8175c8f
SHA256

5f0eb9ab500665e6f7251aea5ec2fbeff7f74d9a3bdef34245e63a53599e5cc8
SHA512

7c6a61846be7c5bf8ae24c4e869af746596b5e9414032a5e7ad1a0d4c04ca892bb4d100ab4eb9bbfe763515e5b81c700aa9d6b4f4bacbd988bb956ebdd9353aa
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8iI:yDqPe1Cxcxk3ZAEUadzR8iI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3263) 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
2716	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	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	d60eb1b1cce833e5ef6dda81ca74a9c6_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	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34FBA8D4-BCE8-4A6A-8562-7FB965AC192F}\WpadDecisionReason = "1"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34FBA8D4-BCE8-4A6A-8562-7FB965AC192F}\WpadDecision = "0"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-32-ac-56-50-0d	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-32-ac-56-50-0d\WpadDecisionReason = "1"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-32-ac-56-50-0d\WpadDecision = "0"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34FBA8D4-BCE8-4A6A-8562-7FB965AC192F}\a6-32-ac-56-50-0d	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-32-ac-56-50-0d\WpadDecisionTime = 80c0833d9c02db01	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34FBA8D4-BCE8-4A6A-8562-7FB965AC192F}	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34FBA8D4-BCE8-4A6A-8562-7FB965AC192F}\WpadDecisionTime = 80c0833d9c02db01	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34FBA8D4-BCE8-4A6A-8562-7FB965AC192F}\WpadNetworkName = "Network 3"	d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:468
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2716

C:\Users\Admin\AppData\Local\Temp\d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d60eb1b1cce833e5ef6dda81ca74a9c6_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1392

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
6951a86ea26b9a9c578aea411120c55f

SHA1
086ac0af2bc49ff1368f577746d48dda212f7ce8

SHA256
f0cbe862066ecf55c51052c91fe42559db18b1dea3be0afcac26b3eef5f636a3

SHA512
648a4c941209a8284ade177d32bfadbef1a49c4ff5a29dd47640b44fff554f1db023a2c139f3878c727ef47761680e603e50951b77b55fab464f8bd286650e77

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Analysis

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