wannacry | c7ebe7109a29ebf48e9b11c2314774a87adf22c547096de7b12b1bf8d9839c7d

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
10-12-2024 00:29

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General

Target

2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Size

3.6MB
MD5

76200e43712a027203706a6eddcdf1d6
SHA1

56da938233ed052146b4d20e71c2537db1be2a0e
SHA256

c7ebe7109a29ebf48e9b11c2314774a87adf22c547096de7b12b1bf8d9839c7d
SHA512

6e6ed111d4646681583c7d651a15d42599ff38d65d63218dcf84dc19a6d30adf9f5f61987a39e60bac507788199c712f6ce00930059cbebe7ec9eb2ad821adfd
SSDEEP

49152:XnAQqMSPbcBVQej/1INRn+TSqTdX1HkQ8RdhnvNEau3R8yAH1plAV:XDqPoBhz1aRncSUDkxdhvU3R8yAVp2V

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 (3380) 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
3440	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	2024-12-10_76200e43712a027203706a6eddcdf1d6_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	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-10_76200e43712a027203706a6eddcdf1d6_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"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1996
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3440

C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3468

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
c7cf2cb93106f05b0f3134892f0d4104

SHA1
96c77ae243160361c823ed11a72b3407d1e35749

SHA256
52e98a980c94c784cbc5aaf822645a9081ae3f2ae6aabc4157f9f73538ffdbc4

SHA512
33c52dff737930932c18c14c8898fd52a3186ea8e58c0e23d4e176891b2d91c40dad74b7347f1f469b8c56050f73fd35a2e49b8d46bcc50a8bb34a4578d6de78

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