wannacry | abf2d2247d53cb8803981cef23af5f6d2f75c0c897e6054b43c2a6c2013dd92e

General

Target

2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Size

5.0MB
MD5

7845fe72d0e3d2b3f33cc37700d62b4b
SHA1

e44dce64293718950ce38a6fdd5812267050b117
SHA256

abf2d2247d53cb8803981cef23af5f6d2f75c0c897e6054b43c2a6c2013dd92e
SHA512

033bc859244864af8b2ae9af0b9a889ff11e5fba7468e8c3b9bf760646d68de26c068616bc08563f804069469bf7c860d4ed9de6bf3d520121ae55c0ebc5e0e7
SSDEEP

12288:e1bLgmlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFO:QbLgudQhfdmMSirYbcMNgef0QeQjG

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3322) 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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_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	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b\WpadDecisionReason = "1"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadDecisionReason = "1"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\82-4e-d3-0a-a0-2b	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b\WpadDecision = "0"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b\WpadDecisionTime = 3050e5f2013cdb01	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-4e-d3-0a-a0-2b	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadDecisionTime = 3050e5f2013cdb01	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadDecision = "0"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0991766-2EAC-4898-A8C3-9D3A7AF19261}\WpadNetworkName = "Network 3"	2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2648

C:\Users\Admin\AppData\Local\Temp\2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-21_7845fe72d0e3d2b3f33cc37700d62b4b_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2800

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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