wannacry | 3cbe9a3743d3676534d64c404f8897577614916cec0d92b02282370893c6ccd9

General

Target

2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Size

2.2MB
MD5

05399a7aa35b59b9f270612df1183e39
SHA1

cead102cfca4ef935d6888f1763a59cc31a1e7c1
SHA256

3cbe9a3743d3676534d64c404f8897577614916cec0d92b02282370893c6ccd9
SHA512

e35afa75102ab6f765fe5faa57763bf9cf38241ed3f7eb6c046ec65a237ceecb229ed68e18d1e97b661c5c3922914407f4a7aa582cc01605f3d731ace32105bc
SSDEEP

24576:QbLgurgQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626:QnsQqMSPbcBVQej/1INR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3245) 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	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\SK3PWDFQ.txt	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\SK3PWDFQ.txt	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KEZ7JD7E.txt	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KEZ7JD7E.txt	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024092705399a7aa35b59b9f270612df1183e39wannacry.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	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8DCF7C7F-6E45-4C7D-87E0-57267A3AB5FD}	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8DCF7C7F-6E45-4C7D-87E0-57267A3AB5FD}\WpadDecisionReason = "1"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8DCF7C7F-6E45-4C7D-87E0-57267A3AB5FD}\WpadNetworkName = "Network 3"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8DCF7C7F-6E45-4C7D-87E0-57267A3AB5FD}\ae-59-e5-63-ee-d8	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-59-e5-63-ee-d8\WpadDecision = "0"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-59-e5-63-ee-d8	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-59-e5-63-ee-d8\WpadDecisionReason = "1"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-59-e5-63-ee-d8\WpadDecisionTime = 000d94ad0411db01	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8DCF7C7F-6E45-4C7D-87E0-57267A3AB5FD}\WpadDecisionTime = 000d94ad0411db01	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8DCF7C7F-6E45-4C7D-87E0-57267A3AB5FD}\WpadDecision = "0"	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024092705399a7aa35b59b9f270612df1183e39wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024092705399a7aa35b59b9f270612df1183e39wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2536

C:\Users\Admin\AppData\Local\Temp\2024092705399a7aa35b59b9f270612df1183e39wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024092705399a7aa35b59b9f270612df1183e39wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2692

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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