wannacry | 30e62399385ba866ec73329003f3d449f155b506de9f6841f13365251587965e

General

Target

2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Size

3.6MB
MD5

0d30660a70eeb7ab2ed50a35fa7815e1
SHA1

c829f4b9deb22dd056457d966cfc91851c7e6203
SHA256

30e62399385ba866ec73329003f3d449f155b506de9f6841f13365251587965e
SHA512

59b290dcd7755d8d9df4da10a57b2a8c3d8ee4a6824f8deebd2655edaf8619778a7b5e8260ea0bb311f3af367ecec325c6d1e2304acb7623e0ba4cfaba4607a9
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvt28NLr:yDqPoBhz1aRxcSUDk36SAEdhvtz

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3280) 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
3000	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	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_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	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-36-61-07-cf-2c\WpadDecision = "0"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1EAC05C4-E3A0-4562-AE33-B51979D4EF2E}\WpadDecision = "0"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-36-61-07-cf-2c	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-36-61-07-cf-2c\WpadDecisionReason = "1"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f018a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1EAC05C4-E3A0-4562-AE33-B51979D4EF2E}	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1EAC05C4-E3A0-4562-AE33-B51979D4EF2E}\fe-36-61-07-cf-2c	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1EAC05C4-E3A0-4562-AE33-B51979D4EF2E}\WpadDecisionTime = 100e40f1611cdb01	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1EAC05C4-E3A0-4562-AE33-B51979D4EF2E}\WpadNetworkName = "Network 3"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-36-61-07-cf-2c\WpadDecisionTime = 100e40f1611cdb01	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1EAC05C4-E3A0-4562-AE33-B51979D4EF2E}\WpadDecisionReason = "1"	2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2084
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3000

C:\Users\Admin\AppData\Local\Temp\2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_0d30660a70eeb7ab2ed50a35fa7815e1_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2176

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
23ae8c70eb07d07a5a15e028b6192da7

SHA1
2154f3f969ded57385b803049ac3c444eff44538

SHA256
62d367cdbd055d781fbbd50a2923898a2f3f94b76efafbe331ded0024706def2

SHA512
738389fc4da5ff73d09631da196db1506410f839955163bf8e897ea68d5b6e5be432e2f445a656a307ea75b951885ac750bb36a40206c09d6c984e8dbc0ae57b

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Analysis

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