wannacry | fcc4ba5350f580cc642df1b9e9417da2d3e725bfb725b8287e2787736109b2e4

General

Target

2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Size

3.6MB
MD5

a32c101d68e84cae6a1d4060a25a704e
SHA1

56dd92960a292ab603289f94b6a6707dd60146d3
SHA256

fcc4ba5350f580cc642df1b9e9417da2d3e725bfb725b8287e2787736109b2e4
SHA512

4a429e8b6818ebf8d80dd60dcfabde740c9ab3f48c255d3181f78519d0bba2769a8cc9288ee3f2f8f8e936dbb83f056b02e587426e37d0b14e12ecc4a2544fbe
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:XDqPe1Cxcxk3ZAEUadzR8yc4

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 (3307) 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
2168	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	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_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	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9384D65-AB08-4757-A8C9-11D9498AE428}\WpadDecisionReason = "1"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-e1-6f-32-12-58	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9384D65-AB08-4757-A8C9-11D9498AE428}\d6-e1-6f-32-12-58	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-e1-6f-32-12-58\WpadDecision = "0"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9384D65-AB08-4757-A8C9-11D9498AE428}\WpadNetworkName = "Network 3"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9384D65-AB08-4757-A8C9-11D9498AE428}	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9384D65-AB08-4757-A8C9-11D9498AE428}\WpadDecisionTime = e09060be9179db01	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9384D65-AB08-4757-A8C9-11D9498AE428}\WpadDecision = "0"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-e1-6f-32-12-58\WpadDecisionReason = "1"	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-e1-6f-32-12-58\WpadDecisionTime = e09060be9179db01	2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1628
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2168

C:\Users\Admin\AppData\Local\Temp\2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-07_a32c101d68e84cae6a1d4060a25a704e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2184

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7a267c4cb84391aaf1f64550bfdc9729

SHA1
5b901846d0d54f775e6b68e9c7e336911720fd03

SHA256
905b2b3f612cebf5d183cb06b38f3cd25bc52772c8aa14ca546b7f520e3df22e

SHA512
c6419eddd576e23563468dd187ddbf08ef03217df4b7f50139529e3b449e8f907a3c405eb8aeb05dc5ba1306314c4769ea4954a2fa21c21a348325027858c07a

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Analysis

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