wannacry | 062130ef0dd4cb566b070d3ef7d64d0fcbd6aaad4c6c08e36cafc252f40c039e

General

Target

2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Size

3.6MB
MD5

ed12f1022ff3ed1092f1717f513f2615
SHA1

7e9a7b07eac419952dfdd1e3d405f3cf756369ae
SHA256

062130ef0dd4cb566b070d3ef7d64d0fcbd6aaad4c6c08e36cafc252f40c039e
SHA512

e0199e3552a17d2713562eb3ca17eb1cd3a96e81f725b6f38f8c930b89c1ac2c519c4f099308fed710598c9e935afbe20ad7ce683a1f1ea57a723997131d86f8
SSDEEP

98304:czqPoBhz1aRxcSUDk36SAEdhvxWa9P5936I:czqPe1Cxcxk3ZAEUadz6I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3092) 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
2652	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_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_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_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c\WpadDecisionTime = 403e268a741bdb01	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00eb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadDecision = "0"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\8e-e9-62-78-c7-6c	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c\WpadDecisionReason = "1"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-e9-62-78-c7-6c\WpadDecision = "0"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadDecisionReason = "1"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadDecisionTime = 403e268a741bdb01	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{48BE3D07-CE27-44FD-83B0-B520ADC97E7F}\WpadNetworkName = "Network 3"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2384
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2652

C:\Users\Admin\AppData\Local\Temp\2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_ed12f1022ff3ed1092f1717f513f2615_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2892

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
cfd5319e719f2f377a07840259f281d7

SHA1
4a6c158a5e14b8e8889ebed27ad98b9a19a98f75

SHA256
b0d369311c12da2823ecaa186b792eb795c39638d8bd2f2cc21d6b156672793e

SHA512
799b8a3b2f95bf0a8650e1edb5d527f2d612d86ab3780c71e99d0572958d582cab7c6383ea270028f6962d17acb1a815289303c5a11057a1028de235e43208b1

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Analysis

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