wannacry | 3d3dc33370a160bdfac9a78b53b270bccbb867d71553ee5a1372b5ebfe46acc0

General

Target

2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Size

5.0MB
MD5

e8c9308b82fa62506dd4761fcf0fb124
SHA1

b28266f957537b314af74c48af18964c3ca78cf4
SHA256

3d3dc33370a160bdfac9a78b53b270bccbb867d71553ee5a1372b5ebfe46acc0
SHA512

3fce1943217da4d1f6aef4ba2f9bbd9b61454a8f4a8c0a20c921253de779eca0950b6e236374f93e0afae91a9069a24518a655a4a3b7c1bbcd2c11932de04b99
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqT:XnAQqMSPbcBVQej/1INRx+TSqT

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 (3245) 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
2196	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	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_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	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadDecisionReason = "1"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66\WpadDecision = "0"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ef000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadDecisionTime = b08ed775a93ddb01	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66\WpadDecisionTime = b08ed775a93ddb01	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadDecision = "0"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadNetworkName = "Network 3"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\62-cb-57-1c-e0-66	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66\WpadDecisionReason = "1"	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2148
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2196

C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-23_e8c9308b82fa62506dd4761fcf0fb124_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2420

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
eeac6c8dc5d6d8838e60df09eb306bdb

SHA1
df1bbca97aabef3b988f06f5a161a14b6105f67b

SHA256
cc8f95af8db92dd6e4d31a632852a8410d0348e6bfa8956434c2648b8abf3855

SHA512
978426c33a189079a58d6e3ce0197e843d701b3f1be4ed01238d837fbdb2a7381ba1117d6c24e06a7be4660cd51c6b1600e0ceb57358df83a387c98991fdf873

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Analysis

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