wannacry | f8531d0d55940c3aff0d45ee19dcd73fe7a9db2b6a9f5ee6bdca8f3381c36336

General

Target

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Size

5.0MB
MD5

6ce565c1ca70119d837f78e0b8efd848
SHA1

37d93acf3e13e243ea7bea0ac30731f70054fddb
SHA256

f8531d0d55940c3aff0d45ee19dcd73fe7a9db2b6a9f5ee6bdca8f3381c36336
SHA512

35d41e0e751fcc43ed77cde9949d53b5a21311805ba3c9b2c530cf8ee0c6d53371e8359099fd939aefbb436302eade4e224aa8417e5e736a656c062ee98ecff7
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3210) 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
2772	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:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_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:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95\WpadDecisionReason = "1"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95\WpadDecisionTime = 30b6dbb74121db01	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95\WpadDecision = "0"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0091000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadDecisionTime = 30b6dbb74121db01	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadDecision = "0"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadNetworkName = "Network 3"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\f2-55-75-18-07-95	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadDecisionReason = "1"	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2344
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2772

C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-18_6ce565c1ca70119d837f78e0b8efd848_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1976

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
cd06434f043dfe2ca3e25d1048f843d2

SHA1
58183787d61ddf43471eb7edf2f47f8ad1901599

SHA256
8b49ef6beceea3ddcd681b59ada3b193a43a88c6d191e03e56a5dd497bf1717a

SHA512
1af044af675d5b5fd1fdc3e595186f744c32d72549901a611ad252f22116ae2be672bfaa9bd480e2e60802faa5e15519e3dbdbb9c38b62ba5a325ed2d912afbf

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads