wannacry | adc924dbf5e09a5dac1e2665c6f18ce2ecc1a102fe66f6797b07c93e625cbeda

General

Target

2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Size

5.0MB
MD5

5de0d1d5732356b3389c88d2b6f7f355
SHA1

14dd707a7823247319d638bfacef5a0f5ebfe2db
SHA256

adc924dbf5e09a5dac1e2665c6f18ce2ecc1a102fe66f6797b07c93e625cbeda
SHA512

5266a1ee329509c4ec5bb4cb65d6faf0b81e934e589cc89d6ed7579340cbe0b4e63a3284c5f46a21f21e3c2a65d1a3bfd902e91aa5f7ed5c2e1cc2175a714207
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9ib2H:yDqPe1Cxcxk3ZAEUa4iH

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3275) 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
2140	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	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_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	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadDecision = "0"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadNetworkName = "Network 3"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\a6-46-d6-66-b3-0b	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b\WpadDecisionTime = 60b1278c300fdb01	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b\WpadDecision = "0"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-46-d6-66-b3-0b\WpadDecisionReason = "1"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f015f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadDecisionReason = "1"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F4E44FEC-14F9-4826-8752-09E45F0D4AE7}\WpadDecisionTime = 60b1278c300fdb01	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1868
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2140

C:\Users\Admin\AppData\Local\Temp\2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-25_5de0d1d5732356b3389c88d2b6f7f355_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2004

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
19a64bc7631a3216a76788df654e3e3e

SHA1
f08baed45c8d289876996748c8151814adf36511

SHA256
f36099fd10f24dad6b7b15f1a32b50b2a3544e9092ea85594c946ae16f0b00c4

SHA512
3a8e6afc0ee660fb1f26d89dcd70ea3e1e5b121e3d0fb9b5a3943673ad8811dee51acb1c9b69e966931c07faa679eec2a764db3ceeeae4903ae0595a46d335aa

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