wannacry | 84cc19dd26f78c4df8f8de58c8fe5ba2a49e0b02e90cddb34e297e6e707f38b4

General

Target

2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Size

3.6MB
MD5

7514c884537d93f5ec87d47a96d6b457
SHA1

c673811cf1887936a09fdfb63c410bfeecb0fc4b
SHA256

84cc19dd26f78c4df8f8de58c8fe5ba2a49e0b02e90cddb34e297e6e707f38b4
SHA512

bb3469a30bb1ef8646ce1c6b2d7311a957ec1899c3ab9970f46c79a0404484a7ce84b7d7cee29ef8c11533241ed199b248693a65544ebbda96affc6edae6e5fc
SSDEEP

98304:aDqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/:aDqPe1Cxcxk3ZAEUadv

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 (3231) 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
2740	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	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-09_7514c884537d93f5ec87d47a96d6b457_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	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-09_7514c884537d93f5ec87d47a96d6b457_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 = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0072000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F908057B-3294-45EC-8473-39D7DD646DEE}\WpadDecisionTime = 00e756cc3d62db01	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F908057B-3294-45EC-8473-39D7DD646DEE}\ce-5d-51-17-63-33	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F908057B-3294-45EC-8473-39D7DD646DEE}\WpadNetworkName = "Network 2"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-5d-51-17-63-33\WpadDecisionTime = 00e756cc3d62db01	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F908057B-3294-45EC-8473-39D7DD646DEE}\WpadDecision = "0"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-5d-51-17-63-33\WpadDecisionReason = "1"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-5d-51-17-63-33\WpadDecision = "0"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F908057B-3294-45EC-8473-39D7DD646DEE}	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F908057B-3294-45EC-8473-39D7DD646DEE}\WpadDecisionReason = "1"	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-5d-51-17-63-33	2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2620
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2740

C:\Users\Admin\AppData\Local\Temp\2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-09_7514c884537d93f5ec87d47a96d6b457_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2948

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
6890be0e55ce27ef3f294886a9d3ee71

SHA1
eb7bea48135894c6161fb020020cf5acdec7cf38

SHA256
07669682b930be035bb92ba6d13daf237575bd4405184082152b0f1dda86d06c

SHA512
ff709cecf7313522065e3d20d11437c2ca2781219750d84ce4fd4dd48bcb5cfdaae017fb31e8a5320cfbc930947ccdfd2ec2012bc0fdf89056555150e7a52d8c

Download Submit
memory/2620-0-0x0000000000400000-0x0000000000A7B000-memory.dmp

Filesize
6.5MB

Download
memory/2620-6-0x0000000000400000-0x0000000000A7B000-memory.dmp

Filesize
6.5MB

Download
memory/2948-1-0x0000000000400000-0x0000000000A7B000-memory.dmp

Filesize
6.5MB

Download
memory/2948-7-0x0000000000400000-0x0000000000A7B000-memory.dmp

Filesize
6.5MB

Download

Analysis

Sharing