wannacry | 88263701d85e0caefaa17a0b4b519a543727de74887cfbe356db5954a3910bd9

General

Target

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Size

2.2MB
MD5

b3f4f6e1cf04adee59f84eba33f859ef
SHA1

71c06cc97adbd2fefedb26cc3a498874e21b3715
SHA256

88263701d85e0caefaa17a0b4b519a543727de74887cfbe356db5954a3910bd9
SHA512

63e543205435251a740f7aef84d24e1a70b24b0e69174876ee524ea3b16c7812949aaad1dfac5ec1ed0f5d26201b4c058044345971c6f1476ec22c2bf31300e2
SSDEEP

24576:QbLgurihdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz66a6dhAdmvn:QnnMSPbcBVQej/1INRudhnvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3297) 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:

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\ZB454RMK.txt	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\ZB454RMK.txt	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\CXXCY7IM.txt	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\CXXCY7IM.txt	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{80AEB8E1-53A3-4D4A-A224-5202E90046C6}\WpadDecisionTime = e0625b74cf8cda01	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{80AEB8E1-53A3-4D4A-A224-5202E90046C6}\e6-ae-7c-91-ac-95	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ae-7c-91-ac-95\WpadDecisionReason = "1"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ae-7c-91-ac-95\WpadDecisionTime = e0625b74cf8cda01	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0055000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{80AEB8E1-53A3-4D4A-A224-5202E90046C6}	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{80AEB8E1-53A3-4D4A-A224-5202E90046C6}\WpadDecision = "0"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{80AEB8E1-53A3-4D4A-A224-5202E90046C6}\WpadNetworkName = "Network 3"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ae-7c-91-ac-95	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{80AEB8E1-53A3-4D4A-A224-5202E90046C6}\WpadDecisionReason = "1"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-ae-7c-91-ac-95\WpadDecision = "0"	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2260

C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-04-12_b3f4f6e1cf04adee59f84eba33f859ef_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2316

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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