wannacry | 6781557bce7ce2d41d1ceeb51a4ac94de0f683f7dab808e30763d8d98726aa77

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 14:08

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General

Target

2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
Size

5.0MB
MD5

e4b929c2db43df98a9326afef4d3dcfc
SHA1

63a9ffd817a36667e5f2eef1cb1e04c53af317e9
SHA256

6781557bce7ce2d41d1ceeb51a4ac94de0f683f7dab808e30763d8d98726aa77
SHA512

faa81a7f2849e580a707cc6ebc8bd0377ee20bc97c73b1118b733019f1700034ba8973fffe2a59a106b3498e50a2d845b778ecfab1b6c66be62e2777f2c9fc16
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

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 (3261) 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
4940	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	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_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	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_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"	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3800
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4940

C:\Users\Admin\AppData\Local\Temp\2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-21_e4b929c2db43df98a9326afef4d3dcfc_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4948

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
872d3a26984cebd6092061b6353e6596

SHA1
5f185cc81fe98c9f3e40214d3d0294dc82b0ef20

SHA256
cd957be4a380924697f9bf885d09f6ebb095eb434cc00891dbdf6f4ad9b0a007

SHA512
f690b74409e9fb67f3c1a083b01f787eec0389b15d025f34ef13e15a3d3b34befb13442a196620217141207b7448a6fdc58a1f360c59e2fa5bc8119c0322d7fb

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