wannacry | 929dd133d5c4049d1f26438cc266b9d4adb0c9d82cb6ff764f33da4124cba9b7

General

Target

2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Size

3.6MB
MD5

9717a56730cde6da2edc69142193ef64
SHA1

7ca81a09bce4c6f961ede44ff7b8cb6ef2ed66f8
SHA256

929dd133d5c4049d1f26438cc266b9d4adb0c9d82cb6ff764f33da4124cba9b7
SHA512

4ba23fff73659cb438d47be1b4a9ad9053f3643b67a20e9c5759a09937f65b44fb80656eb3f26722a6f7807c5cd8849cb2cf6ee044cbabe0f9496b7136de2d2b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

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 (3145) 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
2240	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	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-14_9717a56730cde6da2edc69142193ef64_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	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7791035E-2835-467F-A006-A30464961033}\WpadDecision = "0"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7791035E-2835-467F-A006-A30464961033}\WpadNetworkName = "Network 3"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-9a-6c-a8-40-2f\WpadDecisionTime = 302fd4eeda4ddb01	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7791035E-2835-467F-A006-A30464961033}	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-9a-6c-a8-40-2f	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7791035E-2835-467F-A006-A30464961033}\WpadDecisionReason = "1"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7791035E-2835-467F-A006-A30464961033}\WpadDecisionTime = 302fd4eeda4ddb01	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7791035E-2835-467F-A006-A30464961033}\ca-9a-6c-a8-40-2f	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-9a-6c-a8-40-2f\WpadDecisionReason = "1"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-9a-6c-a8-40-2f\WpadDecision = "0"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2500
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2240

C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-14_9717a56730cde6da2edc69142193ef64_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2060

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
4ebc2675467659d94fc1d8120eeb8f55

SHA1
5691263aeeea1751108d5117f4492a6dc1a7912f

SHA256
efc8ea91464fcd38ebff5504e9b2af6564f4a6bd495fee23c8d7082eece3542b

SHA512
9287452d851d9e2642d7c65767ae227767ce8af49e5589f32958c5ae51a962b8a78bfb8092378a8e8e867c9e4846b2394fe7ecb7cd57b7be51a393602026cf73

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