wannacry | 5aa221115382760de0e2092f28af9946308ea4f677a354c7aab57cb8e3b89fd8

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2025 04:21

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General

Target

2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
Size

5.0MB
MD5

d2f6c9795f16520e7b45e3d6543e1154
SHA1

923ae92fcb93ea78ba21892efc5275b5aa044151
SHA256

5aa221115382760de0e2092f28af9946308ea4f677a354c7aab57cb8e3b89fd8
SHA512

35148215fee34530ce68b50d10b3af65708dffa33dd6d188821c69ac1abe2d167d781cbb57f702520aa597f281cac52e80cec365b4e4c00bf92d4ec0e2ef6161
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H96:yDqPoBhz1aRxcSUDk36SAEdhvxWa96

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 (3291) 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
4556	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	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_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	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_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\AutoDetect = "0"	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:908
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4556

C:\Users\Admin\AppData\Local\Temp\2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-18_d2f6c9795f16520e7b45e3d6543e1154_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3116

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
688352ca6d5d3f9cbed5db412a97c8d9

SHA1
9a06d693f55683a027a0b09b10ed573e96455814

SHA256
6f948d8efd7e4322dff551327ae72626d2f7778357b1c85b035abae5f092dfd9

SHA512
253a06f89d41144f777fb62bb34a81a3baac8c258386d3eca8ee79f244bdb9873a92f2208c99cf95caee1f3113b51de42dad5ea89ad4024e50ed911b67500b03

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