wannacry | 113447ba8f3aef979885c8f9d74470ac8b2dd58d2dfb0d8da39a43112bbc37d1

General

Target

2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Size

5.0MB
MD5

958e9d033fc57dc1a80b12819016c867
SHA1

64853abbebea701b74619fce27bf7c797126a7c6
SHA256

113447ba8f3aef979885c8f9d74470ac8b2dd58d2dfb0d8da39a43112bbc37d1
SHA512

a820ce08a68ecf20e671fb523c122d08c315a7c2fca29a1c3a158e7ca440f48101500e1b59423c74bfb0b7630f0670b59d867ce239b9d407831768f21130c5e6
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvZ593R8yAVp2H:yDqPe1Cxcxk3ZAEFzR8yc4H

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 (3282) 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
536	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	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-18_958e9d033fc57dc1a80b12819016c867_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	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27E472E0-130D-4C47-87DC-2734C99DC3F4}\WpadNetworkName = "Network 3"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d4-57-5c-e3-b0\WpadDecision = "0"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27E472E0-130D-4C47-87DC-2734C99DC3F4}	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d4-57-5c-e3-b0	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27E472E0-130D-4C47-87DC-2734C99DC3F4}\36-d4-57-5c-e3-b0	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d4-57-5c-e3-b0\WpadDecisionTime = 402522ef5551db01	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27E472E0-130D-4C47-87DC-2734C99DC3F4}\WpadDecisionReason = "1"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27E472E0-130D-4C47-87DC-2734C99DC3F4}\WpadDecisionTime = 402522ef5551db01	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{27E472E0-130D-4C47-87DC-2734C99DC3F4}\WpadDecision = "0"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f016e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d4-57-5c-e3-b0\WpadDecisionReason = "1"	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2312
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:536

C:\Users\Admin\AppData\Local\Temp\2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-18_958e9d033fc57dc1a80b12819016c867_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2080

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
941097b26b0db94a45f3dcfe99e85737

SHA1
0f3a73e409db28a24bbed5cb721adf508461003e

SHA256
807cb16c87365600487bea65494d370a6caacc8702a45aa3538a4f896727ebd6

SHA512
68c2974cb3938628b710e7e7dd70c02c82520e18108bde6edc513bc7de3245ed04ee6e4942a8409226cf5577d4af3bc4b0e3cdf15c2650fd7a7b2725731178c0

Download Submit

Analysis

Sharing