wannacry | 98557ab81403650f5339001af1068de028bfdae148b64528233476e803a81043

General

Target

2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Size

3.6MB
MD5

93a6d325117bfc3e838415d72a4323a9
SHA1

b08657038910728471c758e91bfd5faa2f894e69
SHA256

98557ab81403650f5339001af1068de028bfdae148b64528233476e803a81043
SHA512

fcbdd58134b2dfe856e719f994880aa5d219b1f5946edb1852b43c2adab420ec081d3ca389b44f3fc85b2a0fe39b28abe085c88f2a1cd987ce7f3d8818d6b4b4
SSDEEP

24576:tbLgurgDdmMSirYbcMNgef0QeQjG/D8kIqJASk+RdhAdmvctA0p99XEkI:tnsEMSPbcBVQej/NAARdhnvoAMI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3185) 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 created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\XNWD52YQ.txt	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\XNWD52YQ.txt	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\43NDFM52.txt	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\43NDFM52.txt	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-13_93a6d325117bfc3e838415d72a4323a9_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	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadDecisionReason = "1"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadDecisionTime = 40ce1d68cb1ddb01	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\ca-ac-b9-a0-0b-6c	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c\WpadDecisionTime = 40ce1d68cb1ddb01	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c\WpadDecision = "0"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-ac-b9-a0-0b-6c\WpadDecisionReason = "1"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadDecision = "0"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EC30BDF3-C4DC-4075-A0A2-370429D0227C}\WpadNetworkName = "Network 3"	2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1600

C:\Users\Admin\AppData\Local\Temp\2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-13_93a6d325117bfc3e838415d72a4323a9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2084

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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