wannacry | f3056f5ac61cfa74069cade78e752c289cf8c2c5974761a61d254f9dcc95c51f

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
18-11-2024 05:41

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General

Target

2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
Size

3.6MB
MD5

92614ee20e4570ded744ced7087a64a6
SHA1

5425a38cd95d069b213db5712ce38fc0cfd992ea
SHA256

f3056f5ac61cfa74069cade78e752c289cf8c2c5974761a61d254f9dcc95c51f
SHA512

dd9ce4040a41bdbe1ce950d080516ae148dcbce605c8141e5cd42d7f0d772def62140d6dc2303e9fc919ec9123ca271d5b29dd2918c9a5908d9967b45756ed18
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626TH+up:2nAQqMSPbcBVQej/1INRK9

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 (3302) 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
3824	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	2024-11-18_92614ee20e4570ded744ced7087a64a6_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	2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_92614ee20e4570ded744ced7087a64a6_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\IntranetName = "1"	2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3208
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3824

C:\Users\Admin\AppData\Local\Temp\2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_92614ee20e4570ded744ced7087a64a6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3600

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
1bacbbeb7407235617c0dcf44c55b30f

SHA1
fe05302757d82a08e0e9ad898def12c935a2585c

SHA256
6b40443fa3fbd7217e2ea45cae40f8110c6d9ff0581a7207e2ec94cc631a4849

SHA512
a8da55ac8ae54b4a8c6e84b71408d461ab33ab022cd887c7fa5933a547e1e44e66a59029b02280389a6fb4acb736847721da3ffc95a691cbf8a8e7351e9b573d

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