wannacry | 69e2a4bd84ab85c7d65263d35195ffaa6d626d4a15943398ae8692093bf83086

General

Target

2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Size

5.0MB
MD5

82ad20f7216ba47eddfe5f9c2bcf9fce
SHA1

8c669c666f2c42cbb37c2505d00495c6d023855c
SHA256

69e2a4bd84ab85c7d65263d35195ffaa6d626d4a15943398ae8692093bf83086
SHA512

d425327ce162013d68ab868009449f642678c6a4c5ccbc561963a21535dd3b279c08761c42e57c280e70f3afbe3c4b19efbf6a1ad82abba2a3dd1366ff879a7d
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAk3R8yAH1plAH:yDqPoBhz1aRxcSUDk36SAD3R8yAVp2H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3177) 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
2876	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	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D25A5B7E-7C27-41B6-85A7-D7DFDF730D14}\WpadDecision = "0"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-ff-bb-18-f6-f2\WpadDecisionReason = "1"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D25A5B7E-7C27-41B6-85A7-D7DFDF730D14}	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D25A5B7E-7C27-41B6-85A7-D7DFDF730D14}\WpadNetworkName = "Network 3"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D25A5B7E-7C27-41B6-85A7-D7DFDF730D14}\WpadDecisionReason = "1"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-ff-bb-18-f6-f2\WpadDecision = "0"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0031000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-ff-bb-18-f6-f2\WpadDecisionTime = e083b0e4f2cdda01	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D25A5B7E-7C27-41B6-85A7-D7DFDF730D14}\WpadDecisionTime = e083b0e4f2cdda01	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-ff-bb-18-f6-f2	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D25A5B7E-7C27-41B6-85A7-D7DFDF730D14}\0a-ff-bb-18-f6-f2	2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe"
1⤵
- Drops file in Windows directory
PID:3016
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2876

C:\Users\Admin\AppData\Local\Temp\2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024070282ad20f7216ba47eddfe5f9c2bcf9fcewannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1964

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
5af0b40cb63069bc7e9d77b1ee3d0a40

SHA1
ddd94c426aa45156554c9690d953fc7eb713649c

SHA256
5a3f5b88692ac7da72ca8f8181eb1c1f50ce8504972a26925a6833fbd2f6a8f8

SHA512
58b35f73353be78d449e0e3e80c2f873da5394aa2b5aff93d6b0410e3a3cabe6b6f24f5bf93af4d3349576f337bf9c369a0f6cfc0e95ca7f53f4ab9c60e84b4a

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