wannacry | 834a73ac1262dd41c661ee1ae37bb5c04e519c11e44f26316f2fc37d34c90fcc

General

Target

2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Size

3.6MB
MD5

52e0de6c9bc96d66a503f48d0d80226a
SHA1

dd8e01ed940239493db0eab09294a6e17a606277
SHA256

834a73ac1262dd41c661ee1ae37bb5c04e519c11e44f26316f2fc37d34c90fcc
SHA512

e63e3a58460ac5575141f3478c44d43f2cbbeb0608751cf36fa6d2b47ed3c7ce866cc82ae68653d2d7883ec11e9afb2f1166fee199daead04665cb63e079f15b
SSDEEP

98304:ovDoBhz1aRxcSUDk36SAEdhvxWa9P5/AVp2HI:ovDe1Cxcxk3ZAEUadpc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3159) 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	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5S1RJ22Q.txt	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5S1RJ22Q.txt	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3F53VSLX.txt	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3F53VSLX.txt	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_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	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8\WpadDecision = "0"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadDecision = "0"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8\WpadDecisionTime = 40af59ab341ddb01	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0076000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadDecisionReason = "1"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadDecisionTime = 40af59ab341ddb01	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\WpadNetworkName = "Network 3"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{477742CD-4F41-4F7D-AC87-2D5C73CFF7CD}\de-51-29-1f-e9-c8	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8\WpadDecisionReason = "1"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-51-29-1f-e9-c8	2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1968

C:\Users\Admin\AppData\Local\Temp\2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-13_52e0de6c9bc96d66a503f48d0d80226a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2928

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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