wannacry | 88d3001c80919603444c99abb7f8baac71cdfb462cdc774b1ffd0f530207b90f

General

Target

2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Size

3.6MB
MD5

67cf84c6f696f331be86e6a1c3996015
SHA1

8b3a691990902dfb5befc956e652123d57270cdc
SHA256

88d3001c80919603444c99abb7f8baac71cdfb462cdc774b1ffd0f530207b90f
SHA512

ab65a7ca7a133e1d2393f01294c02db963eaaee6d97af01c48fcb68d69dba549beeb170641dcd4e4ee5367591d414ebdaa2886684963a80f0fa6de42100b7247
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9AEau3W:XDqPoBhz1aRxcSUDk36SAEdhvxWa9d3W

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3223) 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
2880	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	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_67cf84c6f696f331be86e6a1c3996015_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	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadNetworkName = "Network 3"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40\WpadDecisionReason = "1"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadDecisionReason = "1"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\9a-18-69-6b-73-40	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00bc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadDecisionTime = 3068e5b4701bdb01	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6032EFC0-238F-45E7-B363-9A50D32008F0}\WpadDecision = "0"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40\WpadDecisionTime = 3068e5b4701bdb01	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-18-69-6b-73-40\WpadDecision = "0"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2356
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2880

C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2672

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
038b07c30cd07228572754f3ce599b04

SHA1
000b864a816450b92f7ca125df1df4a80b3bcbf3

SHA256
9fd96af4c477dfa6bba4a4aebdb50797ced6860a9804333f444039266c625661

SHA512
f5cd46af1b746975459b818e055ae73d0740cc60860b7664a96256bf189847ac113827e7babe9bb74ab2c0e84414f4fd055d7ac2fd551044e6695bfdffc9bbc7

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Analysis

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