wannacry | cb73f5ae9979835d7ba5efd79b326b189eeef8c602fedaf23760b9db3613ea70

General

Target

2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Size

2.2MB
MD5

442dd43d94f8ef5f3f86ad91d9c161de
SHA1

8ac75fca8f885ca94984a6ddcbb2e4cc9ccf6768
SHA256

cb73f5ae9979835d7ba5efd79b326b189eeef8c602fedaf23760b9db3613ea70
SHA512

905272e85762c88f143b2a3c2c99c7e6a8b3d289d0348445e481790f0c36d4ce0dbf46db47221144a7f0c15ec900736d2d6b875eda09b2066b0c692548b1fc44
SSDEEP

49152:QnAQqMSPbcBVuINRx+TSqTdX1HkQo6SAARdhnvn:QDqPoBcaRxcSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3233) 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_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_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_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.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 = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1F645C0-ADDC-470E-82A3-D6017383E5F8}	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1F645C0-ADDC-470E-82A3-D6017383E5F8}\WpadDecisionReason = "1"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-b7-f4-6e-a0-dc	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-b7-f4-6e-a0-dc\WpadDecisionTime = a0b3cb0f5a1cdb01	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1F645C0-ADDC-470E-82A3-D6017383E5F8}\WpadDecisionTime = a0b3cb0f5a1cdb01	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1F645C0-ADDC-470E-82A3-D6017383E5F8}\4a-b7-f4-6e-a0-dc	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-b7-f4-6e-a0-dc\WpadDecisionReason = "1"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-b7-f4-6e-a0-dc\WpadDecision = "0"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1F645C0-ADDC-470E-82A3-D6017383E5F8}\WpadDecision = "0"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1F645C0-ADDC-470E-82A3-D6017383E5F8}\WpadNetworkName = "Network 3"	2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2172

C:\Users\Admin\AppData\Local\Temp\2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_442dd43d94f8ef5f3f86ad91d9c161de_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2984

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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