wannacry | fd6dc5913cc06de40b31eadff437c7365cfb38105ab794d9aad9ae90f73993e7

General

Target

d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Size

3.6MB
MD5

d1d54e5c5062b552ba7c4d2393f1471b
SHA1

2b223753a7f4bbd816a3802852754dccf59bcb71
SHA256

fd6dc5913cc06de40b31eadff437c7365cfb38105ab794d9aad9ae90f73993e7
SHA512

3feff1c12f1bc0f2eca322ee02847a62cd659724cf048353aa63517b64aa771bee1a88dd77690b67360117592e120d1c0a3caf9a750cb68cb73e78b756384cd8
SSDEEP

98304:CDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:CDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3249) 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	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	d1d54e5c5062b552ba7c4d2393f1471b_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	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadDecisionTime = a0ee52951901db01	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadDecision = "0"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\9a-18-69-6b-73-40	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadNetworkName = "Network 3"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40\WpadDecisionReason = "1"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40\WpadDecisionTime = a0ee52951901db01	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40\WpadDecision = "0"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00bc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadDecisionReason = "1"	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1444
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2716

C:\Users\Admin\AppData\Local\Temp\d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d1d54e5c5062b552ba7c4d2393f1471b_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2672

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
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/1444-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/1444-5-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2672-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download

Analysis

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