wannacry | 6660361e2280d85e88bbf10a4511eb5c76a24fa5812dad190607a48c7900196f

General

Target

2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Size

5.0MB
MD5

16392d7876ca8a5628e8289b057075f4
SHA1

babf81e372efc30e353b6aae69fa828b9db8db20
SHA256

6660361e2280d85e88bbf10a4511eb5c76a24fa5812dad190607a48c7900196f
SHA512

a41fcbc1034783f2f2413593cbc1301f8c4e04a2b5b23c504cc8354716eb9bd41f593d76652da79573d184871fea21c28ea6fe7fa0629a4075ed7d0c6b2ce44e
SSDEEP

49152:XnAQqMSPbcBVQej/1INRYdhnvxJM0H9PAMEc:XDqPoBhz1aRYdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3149) 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
3060	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	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-25_16392d7876ca8a5628e8289b057075f4_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	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadDecision = "0"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadNetworkName = "Network 3"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40\WpadDecision = "0"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadDecisionReason = "1"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40\WpadDecisionTime = a05b606dd326db01	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadDecisionTime = a05b606dd326db01	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\06-8f-75-b9-48-40	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40\WpadDecisionReason = "1"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2092
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3060

C:\Users\Admin\AppData\Local\Temp\2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-25_16392d7876ca8a5628e8289b057075f4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2976

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
ada4811b162ef04bab1d83f9dfe31806

SHA1
59d27d839c5881f30f08a698296d10757e93324a

SHA256
d9d38eb038371c44373c30c5c4f52f984cde64929a14045a1c1273e2c8f2e2c5

SHA512
6205a55351edd127a2b702cb14d2a3266842f0038f605e71c0a00c2f781b93af3cc52b75b47af7150791be730f00e339b13de40ee5780635961b0aae5f946aed

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Analysis

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