wannacry | 46c128c262aa0029c228ed4313efcfa2eef29728bbd166998365429500129c75

General

Target

ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Size

3.6MB
MD5

ad9925c0d7fda9b48a58439dc7a287c1
SHA1

0e912a64bf51d481714b087b4ea10f76aea71fbb
SHA256

46c128c262aa0029c228ed4313efcfa2eef29728bbd166998365429500129c75
SHA512

d718adda7f8fbaa3839c998d31afa3381157642c2d824b2bb6018b5ad3631346b78d974192a6cbc88792a2f577adeec25de19768687c3fc8cc752a7632ca276b
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqpbOSSqTPVXmiHkQg6eX6SASk+Kdq/:2nAQqMSPbcBVQej/JSqTdX1HkQo6SAA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2658) 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

Processes:

tasksche.exe

pid process

2784 tasksche.exe

pid	process
2784	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0021000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1DF1378-E5A0-4B47-B6DE-A21A46388C33}\WpadDecisionTime = f0ecbb6100bfda01	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1DF1378-E5A0-4B47-B6DE-A21A46388C33}\56-00-06-6b-5e-62	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1DF1378-E5A0-4B47-B6DE-A21A46388C33}	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1DF1378-E5A0-4B47-B6DE-A21A46388C33}\WpadDecisionReason = "1"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1DF1378-E5A0-4B47-B6DE-A21A46388C33}\WpadDecision = "0"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-00-06-6b-5e-62	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-00-06-6b-5e-62\WpadDecisionTime = f0ecbb6100bfda01	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-00-06-6b-5e-62\WpadDecisionReason = "1"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-00-06-6b-5e-62\WpadDecision = "0"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1DF1378-E5A0-4B47-B6DE-A21A46388C33}\WpadNetworkName = "Network 3"	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2108

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2784

C:\Users\Admin\AppData\Local\Temp\ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ad9925c0d7fda9b48a58439dc7a287c1_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
048a675961ba94a670ab35dc30a8e39f

SHA1
7c7c1951edf3c1ec6a8f50e0c5d6688d7b6523a2

SHA256
2b089c0115de4cde488409e0783da3ea01042f0768036725e9dad8994d00f1f4

SHA512
a1bec9f9f7f8a089312099377cae2e303699672dfff08dccecd8dc3a8a19ebd9107e5fcff45cd275fae8e848a561286c3ab217a31518e7f5eb5b765777965a17

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