wannacry | 007921d00c0828ee842b2ef64ceec3d9aa55c9a1b0941043cb9db8f08be2185e

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 04:25

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General

Target

2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
Size

3.6MB
MD5

890303097a7f8978eca992c1ac45029c
SHA1

6c6e985f57b1c7c9a04d4ce4638d1860b99fef09
SHA256

007921d00c0828ee842b2ef64ceec3d9aa55c9a1b0941043cb9db8f08be2185e
SHA512

e2225037bf5afe477ffa16fa7d755cd074e364846eb9f6cb812fdbf23d6ea0abb6661efbfec3e6132cb373b8dc6b9bb6a7265a267fc22aa20f8ffae74de6b2d0
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAcAMEcaEauzffFKA6iA2P:yDqPoBhz1aRxcSUDk36SA759rMNiJ

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3290) 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
3604	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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_890303097a7f8978eca992c1ac45029c_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	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5024
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3604

C:\Users\Admin\AppData\Local\Temp\2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_890303097a7f8978eca992c1ac45029c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

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
c2865802ef28b2e76e4e52887ae5518a

SHA1
0cfd057839ef4c3be0a1065a42ae91d321e92ba9

SHA256
1e755460e6ecb0784f85b0daf7547e641bd0ce74c432bfea83ae2d2cd44c2959

SHA512
0f667b832bff40e1861981ed053e81c8c292da13ad7ce339edecf425dbf70611543fceec2f65ad606d5b5c9a58f30ad126b943ab88886d7e027f874172e0e3c0

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