wannacry | ac10a5c307ac928333d1efb6950bd037c19520e056cf2411376cfa831062b358

General

Target

2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Size

3.6MB
MD5

fac2b9c8444a7004a518c935ab46bf8c
SHA1

95e9bfa50d68e74c0b000f020b8dfb53f1b1a465
SHA256

ac10a5c307ac928333d1efb6950bd037c19520e056cf2411376cfa831062b358
SHA512

8f420557ace6b2490436d90e58bc7597eb7143bd69b6a8aa15f91e3d912ff28ca60a533b6b4fb3cd24734021041a565234ccc0658418b2efd041c462174d77a1
SSDEEP

49152:QnsEMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:QfPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3305) 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

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\OWEXPF4S.txt	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\OWEXPF4S.txt	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\0CA4W1SW.txt	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\0CA4W1SW.txt	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95003F8B-1B5B-4681-A047-222F0310ECE9}	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95003F8B-1B5B-4681-A047-222F0310ECE9}\WpadDecisionTime = 9004b5d0741bdb01	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-d9-e7-39-62-24	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95003F8B-1B5B-4681-A047-222F0310ECE9}\WpadDecisionReason = "1"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95003F8B-1B5B-4681-A047-222F0310ECE9}\WpadDecision = "0"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-d9-e7-39-62-24\WpadDecisionTime = 9004b5d0741bdb01	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95003F8B-1B5B-4681-A047-222F0310ECE9}\72-d9-e7-39-62-24	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-d9-e7-39-62-24\WpadDecision = "0"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-d9-e7-39-62-24\WpadDecisionReason = "1"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95003F8B-1B5B-4681-A047-222F0310ECE9}\WpadNetworkName = "Network 3"	2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2792

C:\Users\Admin\AppData\Local\Temp\2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_fac2b9c8444a7004a518c935ab46bf8c_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2756

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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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