wannacry | 8aab44341404f21425be97eaa3d58247006f3745738e2acf45ac7c9284087fc3

General

Target

2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Size

2.2MB
MD5

32e2f91f8f4c2da3c8b7cadb14625c62
SHA1

cf2ae21de5b68cc71298a9c8c7909833f5dda884
SHA256

8aab44341404f21425be97eaa3d58247006f3745738e2acf45ac7c9284087fc3
SHA512

1b0b4c334ebdaa2aeebe1970d8d80539ecb5bd680017e9274538940876dcd5cfc82b400f44f48e66f52bc66345943b2dcd52b860e05e52ba90a2da52114e2c12
SSDEEP

24576:ibLguiQhfdmMSirYbcMNgef0QeQjGT6SASk+RdhAdmvw:inyQqMSPbcBVQejT6SAARdhnvw

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3283) 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:

2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\DKVICRVK.txt	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\P9PAERV0.txt	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\P9PAERV0.txt	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\DKVICRVK.txt	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0089000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{393578DA-4BD2-4131-B9A6-26075EF3E721}	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{393578DA-4BD2-4131-B9A6-26075EF3E721}\WpadDecisionTime = c056c69c327cda01	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-77-23-85-b9\WpadDecision = "0"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-77-23-85-b9\WpadDecisionTime = c056c69c327cda01	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{393578DA-4BD2-4131-B9A6-26075EF3E721}\WpadDecisionReason = "1"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-77-23-85-b9	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-77-23-85-b9\WpadDecisionReason = "1"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{393578DA-4BD2-4131-B9A6-26075EF3E721}\be-1c-77-23-85-b9	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{393578DA-4BD2-4131-B9A6-26075EF3E721}\WpadDecision = "0"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{393578DA-4BD2-4131-B9A6-26075EF3E721}\WpadNetworkName = "Network 3"	2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2228

C:\Users\Admin\AppData\Local\Temp\2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-22_32e2f91f8f4c2da3c8b7cadb14625c62_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2368

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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