wannacry | 745aabf781068ff7381e2c3ac57982767e73826c6df74c54d64c7ccfa11dcb62

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 04:28

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General

Target

2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
Size

3.6MB
MD5

7c1fc49536f2aa0c0649ed941604b59d
SHA1

c6575fc331feb950b7c6652ce0110ce8e6a095ff
SHA256

745aabf781068ff7381e2c3ac57982767e73826c6df74c54d64c7ccfa11dcb62
SHA512

2d3ac7799438d4c85c0fe5ee64897fc36efc60f06c7d4d282057ff20f3d99885c298d3120bdf1ce134e73128b91215d37f916f204f62fbe48738b1d18b4c5882
SSDEEP

49152:2nAQqMSPbcBVQej/dRdhnvxJM0H9PAMEcaEau3R8yAH1plAHI:yDqPoBhzvdhvxWa9P593R8yAVp2HI

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 (3358) 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
2668	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	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_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	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_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\UNCAsIntranet = "1"	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5652
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2668

C:\Users\Admin\AppData\Local\Temp\2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-04-14_7c1fc49536f2aa0c0649ed941604b59d_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2804

Network

MITRE ATT&CK Enterprise v16

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
f5bc6300fa1a9a2dacca5c334a448747

SHA1
fb7fcc3c030937acd101d4536e4bf86039e7ef4e

SHA256
f9f0e04bada53e1719ef53ab00e89cf9d99cce8dc2b818f8af7c6a6849cda82b

SHA512
b72bc20de2ff62c77c2dd99e6e17b3770d4b817166108d82e8c918c5c848a8271db642989595b084cf4a284a98d444bd1042a5e33bd36d8f59f88a83d4b32815

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