wannacry | d3977c58cbe244ae54a0cbffab3eb9deb416774afc672197dacfe5455667cbcb

General

Target

2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Size

2.2MB
MD5

fe89ff432d572215a1555ae1117f2003
SHA1

7aed39fde439e79161692b23b99590b3f3b3eb5d
SHA256

d3977c58cbe244ae54a0cbffab3eb9deb416774afc672197dacfe5455667cbcb
SHA512

7fd6c3f9fec6e5ec85f0e3bcaef5a15ef6a46df105f940f286e4a18d89a925201b6aa19750df6c58b469e6a147d576fd1eca0c665b31264c959201515ed070c2
SSDEEP

12288:evbLgPluCvQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:+bLgdhQhfdmMSirYbcMNgef0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3229) 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	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8K577VO8.txt	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8K577VO8.txt	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TZTNEFLO.txt	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TZTNEFLO.txt	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-11_fe89ff432d572215a1555ae1117f2003_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	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-55-a7-da-fa-39\WpadDecisionReason = "1"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08B4CC32-B740-472A-AE95-DD805D0AA94C}\WpadDecisionReason = "1"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08B4CC32-B740-472A-AE95-DD805D0AA94C}\WpadDecisionTime = 701f94bf791bdb01	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08B4CC32-B740-472A-AE95-DD805D0AA94C}\WpadNetworkName = "Network 3"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08B4CC32-B740-472A-AE95-DD805D0AA94C}\WpadDecision = "0"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-55-a7-da-fa-39	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-55-a7-da-fa-39\WpadDecisionTime = 701f94bf791bdb01	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-55-a7-da-fa-39\WpadDecision = "0"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08B4CC32-B740-472A-AE95-DD805D0AA94C}	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08B4CC32-B740-472A-AE95-DD805D0AA94C}\9e-55-a7-da-fa-39	2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2688

C:\Users\Admin\AppData\Local\Temp\2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_fe89ff432d572215a1555ae1117f2003_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2768

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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