wannacry | 8e5506ec62cec0906e1f68ef982bd7827219a06c2d74767eb7343b7f8d4229dc

General

Target

2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Size

5.0MB
MD5

ea4c3289b36b620d3d787eadc2d731fa
SHA1

923671465c44f2eae4c51deb62d7b141bf4e1b13
SHA256

8e5506ec62cec0906e1f68ef982bd7827219a06c2d74767eb7343b7f8d4229dc
SHA512

d8ebad813f68ee6eed55228b8f73a0bfb33e7b32e59a40bc332182dd2e8feefdd42328ca1365c10cfae25a3756d3a0fd40f4bc4ad42e3cff75dda1c257ab83ee
SSDEEP

49152:2nAQqMSPbcBVH6SAARdhnvxJM0H9PAMEcaEau3R8yAH1plAH8:yDqPoB56SAEdhvxWa9P593R8yAVp2H8

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 (2998) 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
2860	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	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_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	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FD47664F-AEAF-42DA-8CAD-C940E29454AF}	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FD47664F-AEAF-42DA-8CAD-C940E29454AF}\WpadDecision = "0"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-2b-da-8f-26-42	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-2b-da-8f-26-42\WpadDecision = "0"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0170000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FD47664F-AEAF-42DA-8CAD-C940E29454AF}\WpadDecisionReason = "1"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FD47664F-AEAF-42DA-8CAD-C940E29454AF}\WpadDecisionTime = c09b5158957ddb01	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FD47664F-AEAF-42DA-8CAD-C940E29454AF}\WpadNetworkName = "Network 3"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FD47664F-AEAF-42DA-8CAD-C940E29454AF}\52-2b-da-8f-26-42	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-2b-da-8f-26-42\WpadDecisionReason = "1"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-2b-da-8f-26-42\WpadDecisionTime = c09b5158957ddb01	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2900
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2860

C:\Users\Admin\AppData\Local\Temp\2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-12_ea4c3289b36b620d3d787eadc2d731fa_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:316

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
9263a694928ad1180cb9391d825b22af

SHA1
44b85bc13fb342ff88a74454a3e121bd55848bcb

SHA256
7a750dfdbc5dc5525063b66c65ef94a606ecbe472b13027bcb8d60083f49af5f

SHA512
716a0c08d1de35b7ad6bbbb8fac63345dcbaea440cd0c91babb7c294969f74db34a54840a868fd9858f0c199b160247dd354215f5e38ca5ca9989cd84e93ae12

Download Submit

Analysis

Sharing