wannacry | 9ae79e9e657a7e1ad63406974cfda13f790e309acba7f6e6607743aa45530d9e

General

Target

acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Size

5.0MB
MD5

acb333f93f93a23fa355dc73aa46a98d
SHA1

ab200c04a4a6ef28f1171d8b0f7a36a98f7415a8
SHA256

9ae79e9e657a7e1ad63406974cfda13f790e309acba7f6e6607743aa45530d9e
SHA512

48c6ba992c72cf84650415d92316bf18eacaeefec848b417eb24651d3acb408563ce2e85dc2d53fa3cb74ce781c2f9d20d63cd830b7a3cd9fdf3156cfd5ebd36
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kI29PO6L6t/8uME7A4kqAH1pNZtA0p+L:2nAQqMSPbcBVQej/N9S3R8yAH1plAH

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3362) 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

2676 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

pid	process
2676	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadDecision = "0"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce\WpadDecisionTime = 6043a978d1beda01	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadDecisionTime = 6043a978d1beda01	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadNetworkName = "Network 3"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadDecisionReason = "1"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\16-7c-e5-e2-85-ce	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce\WpadDecisionReason = "1"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce\WpadDecision = "0"	acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1712

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2676

C:\Users\Admin\AppData\Local\Temp\acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\acb333f93f93a23fa355dc73aa46a98d_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2072

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
5d400b4f45b1e6ca2cf66067a90bedd9

SHA1
f7457b8edb0bf7cd1150b4b6f9318f5588bd065b

SHA256
95895678b1ce4539eda4525ef4312ab6a3b399caeacc16a1ef3c8111f1643031

SHA512
b4dd8ab336bae09a95fb5f622efb907a307ade896b34ec9d49415dd9ba636e36b01e52605893daf91b94a3974664ffbf3e8a20c78121ba7dc90b032701a6cdc1

Download Submit

Analysis

Sharing