wannacry | add3c3558755047086dca5f6bf13fabd46c42b3b0c3a9c51a015bd0e3ef92e13

General

Target

2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Size

5.0MB
MD5

dcd481dba5974e52fcdf0938c1b19590
SHA1

776221aaf08aa63593a531502b5558dde14eaf9a
SHA256

add3c3558755047086dca5f6bf13fabd46c42b3b0c3a9c51a015bd0e3ef92e13
SHA512

7e866e9102fda7416a9a2b3894743896161453903383e21d718ecb5e6508319361f17f618ce510ac44c3a67a4e4ae5e8db6948de2d564a2219e62e97a53710fb
SSDEEP

6144:eE9l9ynRIYVTH5DgSgNajldktM0XXrCIai62XVIwYQuy8DLq1eN:e1bLgmluCti62lIMu7L5N

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 (3211) 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\Roaming\Microsoft\Windows\Cookies\8ES4PF0Q.txt	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\0ES5U4A3.txt	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\0ES5U4A3.txt	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8ES4PF0Q.txt	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_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	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A1B1A30-193A-42E8-8DDD-437CDEC1F28F}\WpadNetworkName = "Network 3"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A1B1A30-193A-42E8-8DDD-437CDEC1F28F}\WpadDecisionTime = 709e138f5f49db01	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A1B1A30-193A-42E8-8DDD-437CDEC1F28F}\0a-1b-0d-75-68-1d	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A1B1A30-193A-42E8-8DDD-437CDEC1F28F}	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A1B1A30-193A-42E8-8DDD-437CDEC1F28F}\WpadDecisionReason = "1"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-1b-0d-75-68-1d\WpadDecisionReason = "1"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-1b-0d-75-68-1d\WpadDecisionTime = 709e138f5f49db01	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-1b-0d-75-68-1d\WpadDecision = "0"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0177000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A1B1A30-193A-42E8-8DDD-437CDEC1F28F}\WpadDecision = "0"	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-1b-0d-75-68-1d	2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1980

C:\Users\Admin\AppData\Local\Temp\2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-08_dcd481dba5974e52fcdf0938c1b19590_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:320

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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