wannacry | 0fcb7e00b2841edc8ecac3cf6a3bffee6487197247190125dcda2ad0e8941df5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 16:55

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General

Target

2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
Size

3.6MB
MD5

2febaaba479fad71532694f96f8813ed
SHA1

cd24e13a546d5f0cfb6952952edfac00c508d520
SHA256

0fcb7e00b2841edc8ecac3cf6a3bffee6487197247190125dcda2ad0e8941df5
SHA512

18e717269d0af7859165d64dd841c4e3c0a8c9935dd23f5830a4d6810b7fe5651eec31cebdc20e48df33e7182d334ec6be395a9b5d469d0340cea34a35b05e7e
SSDEEP

98304:yDqPoB7RxcSUDk36SAixWa9P593R8yAVp2HI:yDqP+xcxk3ZAVadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3268) 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
4368	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	2024-09-27_2febaaba479fad71532694f96f8813ed_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	2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_2febaaba479fad71532694f96f8813ed_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"	2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3172
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4368

C:\Users\Admin\AppData\Local\Temp\2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_2febaaba479fad71532694f96f8813ed_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4784

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
140751082670bda9f7fa36a6aa498396

SHA1
c515cfcc27a49620041c5dc0dbb3bf044c64a030

SHA256
970e10e00399f50035743ebe23fd88a58f0f25d74280778e74a0878829ae11e1

SHA512
1346ba578385a14baf849d00061aa2427d526876f5268c6712eeb052fb300e18a8c898350baf1d860d31964ddd52613bd3c3a291d9284b1a0363c0ed4e5e50eb

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