wannacry | f30e470b0ae4042bb00424bc717624190905678055af2cef659be022cfa43908

General

Target

2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Size

5.0MB
MD5

beb8ef1e34159921a4142a7085a9113f
SHA1

e1513e66863ed7e9d1d7a552b9682142bd577e92
SHA256

f30e470b0ae4042bb00424bc717624190905678055af2cef659be022cfa43908
SHA512

1e08bb434d0d5f282b39db72303fd844fd9f3f5af44844d61ec9ba9556857c294250ca50b491171b9fd2736395408a02feb0bcf4ee5880a730a6f72e127ddc57
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSVAMEcaEau3R8yAH1plAH:yDqPoBhz1aRxcSV593R8yAVp2H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3316) 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

pid	Process
2896	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

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-30_beb8ef1e34159921a4142a7085a9113f_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	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-30_beb8ef1e34159921a4142a7085a9113f_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\Content\CachePrefix	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1\WpadDecisionReason = "1"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1\WpadDecisionTime = 704bd1ab2943db01	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadDecisionReason = "1"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadDecision = "0"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\32-b7-71-7e-cd-c1	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadDecisionTime = 704bd1ab2943db01	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0122000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadNetworkName = "Network 3"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1\WpadDecision = "0"	2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2188
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Users\Admin\AppData\Local\Temp\2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-30_beb8ef1e34159921a4142a7085a9113f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2732

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
0e82246a6f40ef0325bddf786a9f6257

SHA1
b0edd488906c6611d78f7bb1826572ab8461a5e8

SHA256
695a072849ffa32769ab69cd5c6743cb8ded39dd850ee9355e96cdd9c75d02db

SHA512
77ec006ba02303d6321bc22ca1d5125311bd1b48f38aae36c6c8f1fc80e4c9237b2f6ca58d7d90ecc0a3648b7a8401aed24b40f20e448965b66e9b8f228fc602

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