wannacry | 84946fd99b148a7ea5ca0ab626ec524d9eca863e28c00aaf42546b0ae6f80134

General

Target

2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Size

3.6MB
MD5

a044f9084919d98a9beb02a5f1fd0a3d
SHA1

ad714674793c7962c4e7422b123e57f78211c246
SHA256

84946fd99b148a7ea5ca0ab626ec524d9eca863e28c00aaf42546b0ae6f80134
SHA512

6aa5971fa89147f599256298cdcd1086332da422aa964de465db27b050e67137c7349dbb6c0d7d58355fcf7327d352b6c4aa5b81749445952e21eb0c0c2a2368
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9PF3R8yAVp2HI:yDqPe1Cxcxk3ZAEUadlR8yc4HI

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 (3262) 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
2148	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	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_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	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadDecisionTime = 20ccaf607c36db01	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadDecision = "0"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadNetworkName = "Network 3"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_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	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{056034B5-1542-46A0-B9CA-94E06D97B030}\WpadDecisionReason = "1"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40\WpadDecisionReason = "1"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40\WpadDecisionTime = 20ccaf607c36db01	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-8f-75-b9-48-40\WpadDecision = "0"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2976
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2148

C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-14_a044f9084919d98a9beb02a5f1fd0a3d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3040

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7d4f61572ff99c1cd6caa73c59ebd67c

SHA1
4d4a4c7f6d281f224ad174f5457c8bfdb97977a2

SHA256
7013203a55df9690b99e658a95ef80788e3f2973fa1f181c0f06c44ade2d6667

SHA512
b8a93ecae4f9dec0927c79669d989e0c5c527605c853a9619c718fdc8de3e8005639453de4262a3a8d863c0fd76f60debae7701e7d7c08cf5a81b1d54d89d93c

Download Submit

Analysis

Sharing