wannacry | f1f1d497b27e3547f467faa001ce872f102c0fbb43b04cc139e7529eb90835fa

General

Target

2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Size

2.2MB
MD5

915818dbd2a3607d616290bf37b95ae4
SHA1

3fcda20ba630eb7f487c4243d629d3787caaa52a
SHA256

f1f1d497b27e3547f467faa001ce872f102c0fbb43b04cc139e7529eb90835fa
SHA512

c9926197fc4d9c5af288c7a1628e9004b3839418159fbc1a64a601050f05ab15e56984632e22d9a171559c2c6b396cc4716200a0fb6939c9197721f5c5dce776
SSDEEP

49152:QnnMSPbcBVQej/1INRx+TSqTdd1HkQo6SAARdh:QnPoBhz1aRxcSUZk36SAEdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3253) 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\Y1HRKCR6.txt	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\L4OBC9HG.txt	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\L4OBC9HG.txt	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Y1HRKCR6.txt	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_915818dbd2a3607d616290bf37b95ae4_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	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A506038-0EFD-4C38-8C5F-AF5F359B44E3}\WpadDecisionTime = 008cbc275a1cdb01	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-d3-6d-ba-98-b8\WpadDecision = "0"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A506038-0EFD-4C38-8C5F-AF5F359B44E3}\WpadDecisionReason = "1"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A506038-0EFD-4C38-8C5F-AF5F359B44E3}\WpadDecision = "0"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A506038-0EFD-4C38-8C5F-AF5F359B44E3}\WpadNetworkName = "Network 3"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-d3-6d-ba-98-b8\WpadDecisionTime = 008cbc275a1cdb01	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A506038-0EFD-4C38-8C5F-AF5F359B44E3}	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A506038-0EFD-4C38-8C5F-AF5F359B44E3}\da-d3-6d-ba-98-b8	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0103000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-d3-6d-ba-98-b8	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-d3-6d-ba-98-b8\WpadDecisionReason = "1"	2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2336

C:\Users\Admin\AppData\Local\Temp\2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_915818dbd2a3607d616290bf37b95ae4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1856

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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