wannacry | 96c70a0c0d4b0e86a9e359a53bd31a3ff30c77ac5aed43afab853d58f6e7a991

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
28-12-2024 13:27

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General

Target

2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Size

5.0MB
MD5

9c95701828ea760d22f26207df818d27
SHA1

dca9ae2be2731345728d4a6238538084a64b5383
SHA256

96c70a0c0d4b0e86a9e359a53bd31a3ff30c77ac5aed43afab853d58f6e7a991
SHA512

633015aa9efb37e78350c2da297b9e9269d9af188e371bc35b10550be018d463af2b67035b90b4744de1235010f4621055113651eedf0bd0e04a790faccd6d75
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D0r452:XbLgddQhfdmMSirYbcMNgef0Br45

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 (3279) 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
4924	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	2024-12-28_9c95701828ea760d22f26207df818d27_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	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3604
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4924

C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c95701828ea760d22f26207df818d27_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3228

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
d5993d2cd9b316805d7f9fa2868d51c4

SHA1
304e6eaf4f8099c61d741f71135b1c8acd5074d0

SHA256
327ee80ff68016fc76f9cca84a30049c5541592ec34ea6424698d8dafa3d61c0

SHA512
d1735436056ab7cab84b6e4c7502c5fd7e63530dc7dc9475c000b609f6830da22072530c9c85ed303b4e8a645fa9f996debbd1fc36c11c13572e727f1c3d2f6f

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