wannacry | 21ed2ac55174af171f5b0e0b1f2e31739c260e07e603cc9b804d8809766fe89e

General

Target

2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Size

3.6MB
MD5

2cc88fd8840537d111eca6dbc1c83f9c
SHA1

5c534832fc5c613e1d90a4e66c828e58fbe049e7
SHA256

21ed2ac55174af171f5b0e0b1f2e31739c260e07e603cc9b804d8809766fe89e
SHA512

41c926b54c666293290e56d71d2de9d1687bf4de90bca2343e7dfbe2616a64652a5e45856e9718d02797e7bfe3c7faeeb78efedd36e96adc762b76abbf19bf71
SSDEEP

12288:GebLgPluyQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFy:XbLgdVQhfdmMSirYbcMNgef0QeQjGZ

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 (3294) 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
2728	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 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\70U28GI9.txt	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\70U28GI9.txt	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\27XL0660.txt	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\27XL0660.txt	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_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	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0103162-83A4-42A8-8A9D-44A0E3557370}	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-c5-be-6f-5e-74\WpadDecisionTime = b0b4a3c35475db01	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0103162-83A4-42A8-8A9D-44A0E3557370}\WpadDecisionReason = "1"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-c5-be-6f-5e-74	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f017c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0103162-83A4-42A8-8A9D-44A0E3557370}\WpadDecisionTime = b0b4a3c35475db01	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0103162-83A4-42A8-8A9D-44A0E3557370}\06-c5-be-6f-5e-74	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0103162-83A4-42A8-8A9D-44A0E3557370}\WpadDecision = "0"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0103162-83A4-42A8-8A9D-44A0E3557370}\WpadNetworkName = "Network 3"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-c5-be-6f-5e-74\WpadDecisionReason = "1"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-c5-be-6f-5e-74\WpadDecision = "0"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2180
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2728

C:\Users\Admin\AppData\Local\Temp\2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-02_2cc88fd8840537d111eca6dbc1c83f9c_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2684

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
6bc58c30bf2a57a1739662c978b0cd19

SHA1
9a7973fef149335dc69407bdbcf52c94bb81d65e

SHA256
f729f285e0dfb30198e8a7e4bc680d11ac982579b18c8f37b6f65c9f66cdc211

SHA512
856ccbd291cf0cfd2e7778e4ad3b0c41077e811304c052d6809dc4ccec84130c2cf4ce3e38ac9d90e25f885abbba6cc8161480c87e91a66fbef359713c1bb46c

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