wannacry | ab6c25477124e39bbc23f752d98eaeffeaeef218be4a07453821be81fc103263

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
27/01/2025, 03:42

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General

Target

2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Size

3.6MB
MD5

39ba1ea673d776a78c91eec3a3f21540
SHA1

012139f655c66f32c09fd9d897f772c31746306f
SHA256

ab6c25477124e39bbc23f752d98eaeffeaeef218be4a07453821be81fc103263
SHA512

4d6cdd6a7d085c12ecb594c22146c33ac48f25b0287635e50ffc54c7689732243bb03c7611fdbd39278df10f4be56913cb502812d3ed5ba16f461e2948a4c9f5
SSDEEP

98304:XDqPoBhz1scSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPe1scxk3ZAEUadzR8yc4HI

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 (3196) 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
4528	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	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_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	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_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"	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4676
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4528

C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4428

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
e9203570b73dfb448833f759ee0917f4

SHA1
ce6bfa8407948e9d39b24a1e548505aec4f138a7

SHA256
b1149e1f2c8418144d0e79d4a14e85169b8478d2ac4e7baf72712364aec3e4b3

SHA512
44e4576e73ba41635d756d6352e7623a86b6e5cc67475b544b0fa99a3090ac36a2525e3484ab25fd1539d2674162e4c3cbcaf1c112c97d329f214b828b93d179

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