wannacry | cb0ca2bcbb71837282b0c0391450a71c3d3e6b106cad8d8adb8bc62c5b708e81

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 09:40

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General

Target

2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
Size

3.6MB
MD5

90f608648d985d5e2a2bffe249fc289d
SHA1

ec9a805a403c9c3c0ebdc72976f1bb07c564818b
SHA256

cb0ca2bcbb71837282b0c0391450a71c3d3e6b106cad8d8adb8bc62c5b708e81
SHA512

ad4d3feb9e14ddcd707c375de28b30919a8f3f9b26095a97fda2146cc2030f77e0d83380f758e7651ee652625fe8ec6c8f463d8c1dbe9a3e149e5875115ca5e4
SSDEEP

98304:yWqPoBhz1aP6SAEdhvxWa9P593R8yAVp2HI:yWqPe1EZAEUadzR8yc4HI

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 (3299) 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
752	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	2024-11-06_90f608648d985d5e2a2bffe249fc289d_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	2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-06_90f608648d985d5e2a2bffe249fc289d_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"	2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4540
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:752

C:\Users\Admin\AppData\Local\Temp\2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_90f608648d985d5e2a2bffe249fc289d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:212

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
db0dc3e4c89ad8a7744c09b78b7032fa

SHA1
67ae5404d5ceb17fa752bcdd20d6f0690f878321

SHA256
c9f422bdf621d4ece515813b28459d0a016e94a03a0ef223cf46a2cc475152c4

SHA512
4d82b246e699ba763ace97ab4acaaf04c3ae8327bcfec6658e114c040d0ec87be4251ba2328b686515690591812e1cd1f16497b5e365035af5003b716d17fb49

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