wannacry | 52d1471bf7d22f860e73e45e0ed4d5dad489ef5bfbf2a06f2abfb855479715a2

General

Target

2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Size

5.0MB
MD5

9521f7000c0ed152a907706a0b72d03f
SHA1

d2cce88c670457cbd02c875203e5aaac92d4eec6
SHA256

52d1471bf7d22f860e73e45e0ed4d5dad489ef5bfbf2a06f2abfb855479715a2
SHA512

7dfc8564cee401f60cde00344a2dd289f55523abc28fc3c0d16c6f0ae42aa0b4cc968563c8ac44712ecdd4156517a5bc0505e831ca3ae908f6753c0459e56180
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

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 (3147) 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
2380	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	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-05_9521f7000c0ed152a907706a0b72d03f_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	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-05_9521f7000c0ed152a907706a0b72d03f_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\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ef000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadDecision = "0"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadDecisionReason = "1"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadDecisionTime = a026c4a20847db01	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66\WpadDecisionTime = a026c4a20847db01	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66\WpadDecision = "0"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-cb-57-1c-e0-66\WpadDecisionReason = "1"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B03BFA5-82C6-4210-889A-66CABE6EB73A}\WpadNetworkName = "Network 3"	2024-12-05_9521f7000c0ed152a907706a0b72d03f_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	2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2156
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2380

C:\Users\Admin\AppData\Local\Temp\2024-12-05_9521f7000c0ed152a907706a0b72d03f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-05_9521f7000c0ed152a907706a0b72d03f_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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
4ebc2675467659d94fc1d8120eeb8f55

SHA1
5691263aeeea1751108d5117f4492a6dc1a7912f

SHA256
efc8ea91464fcd38ebff5504e9b2af6564f4a6bd495fee23c8d7082eece3542b

SHA512
9287452d851d9e2642d7c65767ae227767ce8af49e5589f32958c5ae51a962b8a78bfb8092378a8e8e867c9e4846b2394fe7ecb7cd57b7be51a393602026cf73

Download Submit

Analysis

Sharing