wannacry | 700393853aeed3c9f0005617fd2e2a243fadf0c702bfadb578e3016ee0ce74ba

General

Target

202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Size

2.2MB
MD5

6bbd8d117f31dd3d3d5444e4b1301259
SHA1

554dd8dc2c087e352092110f6588b403bb6122ba
SHA256

700393853aeed3c9f0005617fd2e2a243fadf0c702bfadb578e3016ee0ce74ba
SHA512

8ce22f7fd9df31b79c55f36c0c37b0ad7126e0de2d82a11ca29e9dd00af7c8d8958e1c3072498a2d0296b358d4d365d92017936dd979aa91fa362039f84cd100
SSDEEP

24576:QbLguriehfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626wX6SASk+RdhAdmf:QnHqMSPbcBVQej/1INR96SAARdhnvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2111) amount of remote hosts 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	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.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	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D146159C-DE1F-48C1-9D82-D5A2D6A5AB13}\WpadDecisionTime = 701bc7f13b11db01	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-d7-53-78-cd-86\WpadDecisionReason = "1"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0188000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D146159C-DE1F-48C1-9D82-D5A2D6A5AB13}	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D146159C-DE1F-48C1-9D82-D5A2D6A5AB13}\WpadDecision = "0"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D146159C-DE1F-48C1-9D82-D5A2D6A5AB13}\WpadNetworkName = "Network 3"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D146159C-DE1F-48C1-9D82-D5A2D6A5AB13}\fe-d7-53-78-cd-86	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D146159C-DE1F-48C1-9D82-D5A2D6A5AB13}\WpadDecisionReason = "1"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-d7-53-78-cd-86\WpadDecision = "0"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-d7-53-78-cd-86	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-d7-53-78-cd-86\WpadDecisionTime = 701bc7f13b11db01	202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2516

C:\Users\Admin\AppData\Local\Temp\202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409276bbd8d117f31dd3d3d5444e4b1301259wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads