wannacry | fa97baaa08d04807e478688a133076a109a7578c7b4d9be15e96b4de8522807d

General

Target

mssecsvc.exe
Size

3.6MB
MD5

1766d9d4769580c0fab9e6ad5bf73436
SHA1

02eca9f1966819d63d82d62a94c8af3e76041411
SHA256

fa97baaa08d04807e478688a133076a109a7578c7b4d9be15e96b4de8522807d
SHA512

41e36b6a7e0ba4783cd90039cff5e87743cca2e8deee63b62cc0dcb8bab459f1d7919f59275cc266ef1519942ad2386c16791bd9706ee06eb4658f3f86018f50

Score

10^/10

ransomware worm wannacry

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

1792 tasksche.exe

pid	process
1792	tasksche.exe

Drops file in System32 directory 3 IoCs

Processes:

mssecsvc.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	mssecsvc.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\82K0BJZI.txt	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\82K0BJZI.txt	mssecsvc.exe

Drops file in Windows directory 1 IoCs

Processes:

mssecsvc.exe

description ioc process

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

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

Modifies data under HKEY_USERS 24 IoCs

Processes:

mssecsvc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7121406-7FD4-42C9-B2AC-0BA026A12C21}\WpadDecision = "0"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7121406-7FD4-42C9-B2AC-0BA026A12C21}\WpadNetworkName = "Network"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a070013000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionReason = "1"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7121406-7FD4-42C9-B2AC-0BA026A12C21}\WpadDecisionTime = 10521dcb57a5d601	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7121406-7FD4-42C9-B2AC-0BA026A12C21}\32-e2-17-db-d2-77	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecision = "0"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7121406-7FD4-42C9-B2AC-0BA026A12C21}	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7121406-7FD4-42C9-B2AC-0BA026A12C21}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionTime = 10521dcb57a5d601	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	mssecsvc.exe

C:\Users\Admin\AppData\Local\Temp\mssecsvc.exe
"C:\Users\Admin\AppData\Local\Temp\mssecsvc.exe"
1⤵
- Drops file in Windows directory
PID:832

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1792

C:\Users\Admin\AppData\Local\Temp\mssecsvc.exe
C:\Users\Admin\AppData\Local\Temp\mssecsvc.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1544

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\SubmitApprove.vbs"
1⤵
PID:1496

Network

MITRE ATT&CK Matrix

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Downloads

C:\Windows\tasksche.exe
MD5
747cd55009bdbb466a01bd7214fce79d

SHA1
076d78ad4a0f38278e1d39566b9b66b3d2e493e3

SHA256
bcf1ba6140b7ba6f0930780cad1d60ac0751bf9c60e55f13a09f92c1ae9ea5e6

SHA512
4ae1755ce0a248f60855f7cbb40e70250ed42fe0795e4b60c45158319127aabd4fe4d5cb7b82e0f85f8b5734183437203dd9e26ced6150b2115904cdfed4154a

Download Submit
memory/764-0-0x000007FEF6420000-0x000007FEF669A000-memory.dmp

Filesize
2.5MB

Download
memory/1496-2-0x0000000002330000-0x0000000002334000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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