wannacry | 159241c3ab9e4565a1e3a18dbec6c3696e9d408df9d72377a3d49390a3acd520

General

Target

2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Size

3.6MB
MD5

b0352d239f362fb1a66f0bf9143dc90c
SHA1

91638c8d7f90f5781c553dba5f0333af40054c51
SHA256

159241c3ab9e4565a1e3a18dbec6c3696e9d408df9d72377a3d49390a3acd520
SHA512

718f9e128f475030dee2cb29b20d5f5dc213683876e59737dc10334187e72ec9a79022d895a5fb7ec4b4ad6af07f64a1f68f3951654259cd0ee05bd0c18fbbfb
SSDEEP

49152:2nAQqMSPbcBVKAMEcaEau3R8yAH1plAHI:yDqPoBs593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3240) 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
2160	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

Drops file in System32 directory 1 IoCs

Processes:

2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_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:

2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1FBB6D6-7386-4B2E-81EF-600B50F76F2A}\WpadDecisionTime = 701e8af2d11ddb01	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-6c-14-43-3d-52	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-6c-14-43-3d-52\WpadDecisionReason = "1"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1FBB6D6-7386-4B2E-81EF-600B50F76F2A}\WpadNetworkName = "Network 3"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-6c-14-43-3d-52\WpadDecisionTime = 701e8af2d11ddb01	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-6c-14-43-3d-52\WpadDecision = "0"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1FBB6D6-7386-4B2E-81EF-600B50F76F2A}	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1FBB6D6-7386-4B2E-81EF-600B50F76F2A}\WpadDecisionReason = "1"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1FBB6D6-7386-4B2E-81EF-600B50F76F2A}\WpadDecision = "0"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1FBB6D6-7386-4B2E-81EF-600B50F76F2A}\da-6c-14-43-3d-52	2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2412
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2160

C:\Users\Admin\AppData\Local\Temp\2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-14_b0352d239f362fb1a66f0bf9143dc90c_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2336

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
41011b221226c1c08822fa4145541edd

SHA1
b9d7cb7512a167f4e419be65706a2833cc0e59a6

SHA256
9c976244798e098c1bec637ab2fd23e0b71b53f85bb02a31b1c61b8f88a24e3f

SHA512
2bcc61e4cdac343db1ff54cabb29ed4d3e38e83eb79ef345a381ce72e34165708e3db04b45992bea215558460d21452ed5b41fb38a92bfb448cbade7887afd8b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads