wannacry | bbabeb16024dd3004e38dd1ec18b73a4478f1672d2b2ab501000777bc9b8bdec

General

Target

2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Size

3.6MB
MD5

a56099038fdcf9b2dc8c678366574e14
SHA1

e067a07fe907abc2802bd2d378bdb5835e63fcae
SHA256

bbabeb16024dd3004e38dd1ec18b73a4478f1672d2b2ab501000777bc9b8bdec
SHA512

d99011d65cb53db7d32a98fb34fb64c5c17b74a0e0886339d38c285ab0882c2feb8fed82696315be1931f19f88fd797e2dc0c71ab209a1a18f4648704039b2aa
SSDEEP

49152:Bn/MSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:l/PoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3090) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 5 IoCs

Processes:

2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FR58Z5WI.txt	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FR58Z5WI.txt	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8JD5RX8P.txt	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8JD5RX8P.txt	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F145B7B5-8F80-43B9-A247-86E87290A90E}\WpadDecisionTime = 50b6383207ddda01	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F145B7B5-8F80-43B9-A247-86E87290A90E}\f2-8f-8a-6b-39-86	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-8f-8a-6b-39-86\WpadDecision = "0"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F145B7B5-8F80-43B9-A247-86E87290A90E}	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F145B7B5-8F80-43B9-A247-86E87290A90E}\WpadNetworkName = "Network 3"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-8f-8a-6b-39-86	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-8f-8a-6b-39-86\WpadDecisionTime = 50b6383207ddda01	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F145B7B5-8F80-43B9-A247-86E87290A90E}\WpadDecision = "0"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F145B7B5-8F80-43B9-A247-86E87290A90E}\WpadDecisionReason = "1"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-8f-8a-6b-39-86\WpadDecisionReason = "1"	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2388

C:\Users\Admin\AppData\Local\Temp\2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-23_a56099038fdcf9b2dc8c678366574e14_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2112

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

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Downloads

memory/2112-3-0x0000000000400000-0x0000000000A6B000-memory.dmp

Filesize
6.4MB

Download
memory/2388-0-0x0000000000400000-0x0000000000A6B000-memory.dmp

Filesize
6.4MB

Download
memory/2388-9-0x0000000000400000-0x0000000000A6B000-memory.dmp

Filesize
6.4MB

Download

Analysis

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