wannacry | 9933df90017f6a99b807db94a266e393b66b589e26337d0241f462344959a41c

General

Target

2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Size

5.0MB
MD5

7d3780d7c6a3778f18782a93ba4719c9
SHA1

3b161ceffcc71f16fad72d2f7c6d6158bd2e22e3
SHA256

9933df90017f6a99b807db94a266e393b66b589e26337d0241f462344959a41c
SHA512

8be1b254e70a491f1b0326dbe5bade3b5ff63bb9a82cb2a77d71f7576e94d47e3cb52e5f1dfe09e410bcf37da6c2e84c6ee80b6060a9ff38e1f0c4891c8177f7
SSDEEP

24576:vbLgdrQhfdmMSirYbcMNgef0QeQjG/D8kIqRY:vnGQqMSPbcBVQej/1

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 (3190) 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	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_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	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{93A8620B-85A4-4B5F-B531-DE96C5935603}\WpadDecision = "0"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{93A8620B-85A4-4B5F-B531-DE96C5935603}\WpadNetworkName = "Network 3"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-7b-0f-19-fe-92\WpadDecisionTime = 80cb79d45137db01	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-7b-0f-19-fe-92\WpadDecision = "0"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0105000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{93A8620B-85A4-4B5F-B531-DE96C5935603}	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{93A8620B-85A4-4B5F-B531-DE96C5935603}\WpadDecisionTime = 80cb79d45137db01	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-7b-0f-19-fe-92	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{93A8620B-85A4-4B5F-B531-DE96C5935603}\WpadDecisionReason = "1"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{93A8620B-85A4-4B5F-B531-DE96C5935603}\f6-7b-0f-19-fe-92	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-7b-0f-19-fe-92\WpadDecisionReason = "1"	2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2304

C:\Users\Admin\AppData\Local\Temp\2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-15_7d3780d7c6a3778f18782a93ba4719c9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:304

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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