wannacry | 10f11a389f3bc20e9a7123820a6affd7fe354e9fe016a653f1d6151f4236c8cc

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
15-01-2025 15:45

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General

Target

2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
Size

3.6MB
MD5

0099cccd9edee63a16401de6ada30188
SHA1

337fae1a1df732a03fdf36b8086722029552802d
SHA256

10f11a389f3bc20e9a7123820a6affd7fe354e9fe016a653f1d6151f4236c8cc
SHA512

4d6a908a03f279de051a972342ddc7cf731c4bd73f350b4368c8c462b44f7f344312c856f94baf7fe2ea7ce7cddd238f6f6d751161ffd056528ba753e0b38b39
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P59UctAVp2HI:yDqPe1Cxcxk3ZAEUad9c4HI

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 (3260) 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
4620	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	2025-01-15_0099cccd9edee63a16401de6ada30188_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	2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-15_0099cccd9edee63a16401de6ada30188_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\ProxyBypass = "1"	2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:840
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4620

C:\Users\Admin\AppData\Local\Temp\2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-15_0099cccd9edee63a16401de6ada30188_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3976

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
53630114dbc51910879f968d0148abdb

SHA1
e897138a0f0266d0d0e29e03f8816d08b483054d

SHA256
a10c30f76c602083956bdc991486ea598b20b72e395106b39ac14434827688d2

SHA512
7cb1ff56e009743c9574ae39034c880e40e0202b17d20ff5dc7cb923103c97428aa8b877c84a729b5f0b47f20cc087816be8eecaf38cd40f475d1a9f1227e769

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