wannacry | 5ee8cc0c8020eab755e4ece51cbaea24f474b72394a135d8e20a9296ff8cc7e5

General

Target

2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Size

5.0MB
MD5

151cf3f070413e0b0b4230e5e0fa7640
SHA1

7243d96c725b31e4e7e33908677a20463cbc6f9a
SHA256

5ee8cc0c8020eab755e4ece51cbaea24f474b72394a135d8e20a9296ff8cc7e5
SHA512

eac1eb21c1d27639fa87ea179543b2ee4aabd13e60b0a0592258ff5948649b409532bc34c006048aac96b49a590e7dbbdc919d28a1ade2a452d82d0c9d05ef1b
SSDEEP

49152:QnsEMSPbcBVT+TSqTdX1HkQo6SAARdhnv:QfPoBlcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3242) 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:

2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LTCXGZRJ.txt	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LTCXGZRJ.txt	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\QIF2CX6R.txt	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\QIF2CX6R.txt	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-bf-48-f0-b3-14	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-bf-48-f0-b3-14\WpadDecisionReason = "1"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-bf-48-f0-b3-14\WpadDecisionTime = d040bb843f93da01	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{577E7B7E-0A5D-4FB1-83A5-348428632846}	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{577E7B7E-0A5D-4FB1-83A5-348428632846}\WpadDecisionReason = "1"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{577E7B7E-0A5D-4FB1-83A5-348428632846}\WpadDecisionTime = d040bb843f93da01	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-bf-48-f0-b3-14\WpadDecision = "0"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{577E7B7E-0A5D-4FB1-83A5-348428632846}\26-bf-48-f0-b3-14	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0068000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{577E7B7E-0A5D-4FB1-83A5-348428632846}\WpadDecision = "0"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{577E7B7E-0A5D-4FB1-83A5-348428632846}\WpadNetworkName = "Network 3"	2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2416

C:\Users\Admin\AppData\Local\Temp\2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-04-20_151cf3f070413e0b0b4230e5e0fa7640_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2004

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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