wannacry | c89f4504ad8c1f3d5745de35a6d25c661131a8acb8b01a655c52dd6256baa785

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 11:35

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General

Target

2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Size

5.0MB
MD5

f003a5bd6ef09c6ba52ae39cd3dafc73
SHA1

de32150e13ddaf0d088a7bccd04087bea28a7f6a
SHA256

c89f4504ad8c1f3d5745de35a6d25c661131a8acb8b01a655c52dd6256baa785
SHA512

f1573227b2543c0f48efb07cd45cea8ae1ff0c5bfd251444877adc7f8e8361ded4b65ea2ca0f99369c9a90ca7cc23ed329d90a35f99ec09b733efc96d858a6b5
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFp:2bLgddQhfdmMSirYbcMNgef0QeQjG

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 (3292) 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
2424	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	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_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	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4200
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-15_f003a5bd6ef09c6ba52ae39cd3dafc73_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1280

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
dd6cd3e49f730f0ec60cea8c6107a3b6

SHA1
1b901664cc0a41063d5d4ad111a3a580b25198a6

SHA256
7a7b3876df3b74b8117fa964bc0cc6ed5039a8826978e48f832ca845ae47c801

SHA512
7a2e76960db1db81bad09465bb53d8c77ebe1ae1dfaeb49c088549a11fcdd8ca8dbc4bbeb117e315156c1f3482adf3e8854c9299652d6b127fb3e643d30a3f1e

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