wannacry | a82bede47bb673966498df1b722019649249d6c929214086de504a249ab16854

General

Target

2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Size

3.6MB
MD5

2dab46c7582eac524d40d03422b42d15
SHA1

f373e5c61f2207fbaab48ae47ee02a2f1d915477
SHA256

a82bede47bb673966498df1b722019649249d6c929214086de504a249ab16854
SHA512

81eb37058152b8ff7075f5514ff04f159a2a79a9ef84e6bd53b66482c590aebe5d8afef5c4d5a0219de54c52dc84fe233ef85f7b54f19659b4bc91abd2def898
SSDEEP

24576:2bLgd3yt4IiXctzDqGJ0cy7+Z0vIikqbNNkrKLSR2lyFlSPjCSQOqsqbYqK5q/:2nmLIishzy71v/rbhSR24DZS

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3110) 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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_2dab46c7582eac524d40d03422b42d15_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_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.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\Cookies\CachePrefix = "Cookie:"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27567E17-4DEB-44CD-9DEF-6832FA4C2BD2}\WpadDecisionReason = "1"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-0f-5f-cd-10-47	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-0f-5f-cd-10-47\WpadDecision = "0"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27567E17-4DEB-44CD-9DEF-6832FA4C2BD2}\WpadDecisionTime = 2012af2a551cdb01	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27567E17-4DEB-44CD-9DEF-6832FA4C2BD2}\WpadDecision = "0"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-0f-5f-cd-10-47\WpadDecisionTime = 2012af2a551cdb01	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27567E17-4DEB-44CD-9DEF-6832FA4C2BD2}	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-0f-5f-cd-10-47\WpadDecisionReason = "1"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27567E17-4DEB-44CD-9DEF-6832FA4C2BD2}\WpadNetworkName = "Network 3"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27567E17-4DEB-44CD-9DEF-6832FA4C2BD2}\1e-0f-5f-cd-10-47	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2208

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dab46c7582eac524d40d03422b42d15_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2028

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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