wannacry | e8ffec081427438b558c4a0c9e142ac8de18b5e53654d63cebcb75cacca44c98

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 10:21

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General

Target

2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
Size

5.0MB
MD5

f6a77c581de44e5572a614c439e5de0c
SHA1

fbe1fe50ab09de43c1383655466e1d42321a0dbd
SHA256

e8ffec081427438b558c4a0c9e142ac8de18b5e53654d63cebcb75cacca44c98
SHA512

63274d7fc9d35154745076b8463d45ea8fe166443f0dd9562d84330348589c35581febfc9b137d7a41d44dd807094f61456cc6fa213121d64a512e44aceba33b
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6PxJM0H9PAMEcaEaGCnV:yDqPoBhz1aRxcSUDk36PxWa9P5J8V

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3281) 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
2580	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	2024-09-29_f6a77c581de44e5572a614c439e5de0c_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	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2580

C:\Users\Admin\AppData\Local\Temp\2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-29_f6a77c581de44e5572a614c439e5de0c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4612

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
b8a157b071ff17aefcc7e8087a2822e6

SHA1
5ef96ff4c902d102f263ee07abf61bdbbbf26e00

SHA256
c6501d4a2c435c50b742eda6e34d931366e8c0bf01b3cd3cf3d12adcaddf1633

SHA512
d61da034a8b9c0881fac2a1ea8a5c32c35a8fba6e0e971e4ca6eac124bb37a82c55187315da0cdba73ccdb444c9769042aab467871b0bd0c5b8b5ac38cb60bcc

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