wannacry | 78b96431c6e0c46fb3e197ea17e5e4cea523c7a196a97c14c00fdd1d93924e3f

General

Target

2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Size

3.6MB
MD5

d41b55996fe1e2d3bc5849e058ad4583
SHA1

d6e74aed7f07e032c4fbd4a92abd101ec7ced1e4
SHA256

78b96431c6e0c46fb3e197ea17e5e4cea523c7a196a97c14c00fdd1d93924e3f
SHA512

1566efadc9a1dc377aa87d169a65098366eaad9c591212366a8ca2da1f38fa7344aacdb8cdf8483ab020254fbc929a9f724ebc1f857e7d772e6b85441d1396f3
SSDEEP

49152:2nAQcX1HkQo6SAARdhnvxJM0H9PAMEcaEau3R8yAH1plAHI:yDak36SAEdhvxWa9P593R8yAVp2HI

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 (3219) 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
2248	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	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_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	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_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	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6EE75E36-EDD7-4622-AC3A-A75C702E6FC6}\WpadDecision = "0"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3e-ec-53-c2-1a\WpadDecisionReason = "1"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3e-ec-53-c2-1a\WpadDecisionTime = b09d11291e54db01	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6EE75E36-EDD7-4622-AC3A-A75C702E6FC6}\WpadNetworkName = "Network 3"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3e-ec-53-c2-1a	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6EE75E36-EDD7-4622-AC3A-A75C702E6FC6}\WpadDecisionTime = b09d11291e54db01	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6EE75E36-EDD7-4622-AC3A-A75C702E6FC6}\72-3e-ec-53-c2-1a	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0075000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6EE75E36-EDD7-4622-AC3A-A75C702E6FC6}\WpadDecisionReason = "1"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3e-ec-53-c2-1a\WpadDecision = "0"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6EE75E36-EDD7-4622-AC3A-A75C702E6FC6}	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1088
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2248

C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2344

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
965fec0a2b5060f77373e476a2b150f2

SHA1
84f07096f9807f6eb677dfbf70ff9e358dde6aa3

SHA256
9a2fea0868d50ee6b3cfe1a9ae92953a7aeb92411aedce278c96be20b8584e78

SHA512
622ab063bff73801a099b42bf5cc2afe3c34c925d35ec22f675489065ebdd1fd1786a5ff8703b1fd2b3bfb039d4caebfa26cef78ab22e4945cd55d13325c6483

Download Submit

Analysis

Sharing