wannacry | 2366cd2b06a90cc8501c9e6c74f8976c8856243b98744b22dd18f09392212ceb

General

Target

2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Size

3.6MB
MD5

1d7433965a9c7ce01dd091a5df4244d6
SHA1

ba91aadd82e046957accdf38ec73a325a8e7461a
SHA256

2366cd2b06a90cc8501c9e6c74f8976c8856243b98744b22dd18f09392212ceb
SHA512

1a88b26f6ef04a7f9058432d9da5cadcdd7e7a5de17c2d4ee8373ff59350ab945c4a8a340d9ade5eca069863dc6a3b361f592dbdcbd4dfa84fbfcc56d83eb983
SSDEEP

24576:tbLguritdmMSirYbcMNgef0QeQjGVVXmiHkQg6eX6SASk+RdhA:tnrMSPbcBVQejnX1HkQo6SAARdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3326) 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\Roaming\Microsoft\Windows\Cookies\MTC27SZP.txt	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\P38Q7FE8.txt	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\P38Q7FE8.txt	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\MTC27SZP.txt	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_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	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5146F091-9386-42EC-961F-65F7FD409DFF}\WpadDecisionReason = "1"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5146F091-9386-42EC-961F-65F7FD409DFF}\WpadDecisionTime = b04d275efd10db01	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-21-78-98-0f-cf	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5146F091-9386-42EC-961F-65F7FD409DFF}\c2-21-78-98-0f-cf	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-21-78-98-0f-cf\WpadDecisionReason = "1"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-21-78-98-0f-cf\WpadDecisionTime = b04d275efd10db01	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-21-78-98-0f-cf\WpadDecision = "0"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0061000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5146F091-9386-42EC-961F-65F7FD409DFF}	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5146F091-9386-42EC-961F-65F7FD409DFF}\WpadDecision = "0"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5146F091-9386-42EC-961F-65F7FD409DFF}\WpadNetworkName = "Network 3"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1820

C:\Users\Admin\AppData\Local\Temp\2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_1d7433965a9c7ce01dd091a5df4244d6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2944

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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