wannacry | 659d4192cc86dede37220179fe04c6fbe1a153e17d20d87d2c6246f3622157b2

General

Target

202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Size

2.2MB
MD5

9fb0714c215ff04d45f23d276236e7f0
SHA1

eeae388489f22f53da0665462f4b68643a63eaf9
SHA256

659d4192cc86dede37220179fe04c6fbe1a153e17d20d87d2c6246f3622157b2
SHA512

33d3a73952dcccac8e720b9a72ae2da6788c36254b5a10c3b05fbbf3774f73b0e6a9fffd3e85c8a40e44107b29665d4e09da67fd251f0753b074c954638d65a0
SSDEEP

24576:QbLguqQhfdmMSirYbcMNgef0WG/D8kIqRYoAdO:QnaQqMSPbcBVh/1IO

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) 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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	202409279fb0714c215ff04d45f23d276236e7f0wannacry.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	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:348

C:\Users\Admin\AppData\Local\Temp\202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409279fb0714c215ff04d45f23d276236e7f0wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4540

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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