wannacry | 218ccf97ac51b41472dac344783a4074b918cb295940df21f5cd2f1da9760ba0

General

Target

2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Size

3.6MB
MD5

78af39c73fbacafc169c0157b76b041e
SHA1

9e923d09e050ccc3d8d62f570eac84c32c1ab766
SHA256

218ccf97ac51b41472dac344783a4074b918cb295940df21f5cd2f1da9760ba0
SHA512

2244fee89678be3e681765889aad71918a29950e559d13189483d7ca343d95d80be061fffda9ae2667ff9f3cff6619a9f194686365cd77a176b75602406f3b90
SSDEEP

49152:XnAQqMSPbcBVUx+TSqTdX1HkQo6SAARdhnv:XDqPoBWxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3191) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

1332 tasksche.exe
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

pid	process
1332	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-28_78af39c73fbacafc169c0157b76b041e_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

Processes:

2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9986570A-3211-4984-BA94-BADC84339A33}\WpadDecisionReason = "1"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9986570A-3211-4984-BA94-BADC84339A33}\72-05-9e-ee-ad-a2	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0078000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9986570A-3211-4984-BA94-BADC84339A33}	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9986570A-3211-4984-BA94-BADC84339A33}\WpadDecisionTime = a0ff7e5db7e0da01	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-05-9e-ee-ad-a2\WpadDecisionTime = a0ff7e5db7e0da01	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-05-9e-ee-ad-a2\WpadDecision = "0"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-05-9e-ee-ad-a2	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9986570A-3211-4984-BA94-BADC84339A33}\WpadDecision = "0"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9986570A-3211-4984-BA94-BADC84339A33}\WpadNetworkName = "Network 3"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-05-9e-ee-ad-a2\WpadDecisionReason = "1"	2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2984

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1332

C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2396

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a32ec03b39d840916a4e1b4323b75391

SHA1
0846856f96d3ccc7fbca49a1da128240efb6d884

SHA256
17a30fbc205a7e6de1379160184b650af36b0acd4e24c24b7441ad8084b7bb99

SHA512
1fa2ada8dd60c013f3499b01bf4c1b00c2aa79db2c20c17184775eeed9c49bc2a905b25228edc324e9f31bab1510dceaff01e455dcfa73a727a9942bd6b8697d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads