wannacry | 514984c4397ffd080e7c47214c24de7cd76b873076315d0552012a3d8243dad7

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 16:47

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General

Target

2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
Size

3.6MB
MD5

0aaaf0883fdd9fc768ba60a0431d3d66
SHA1

265772a2d93e2072fcc52e46b7d5466559df3bad
SHA256

514984c4397ffd080e7c47214c24de7cd76b873076315d0552012a3d8243dad7
SHA512

9564f005321d695b6d28c710e1232b51f4660421f6b6a89e073c680cebc24f1634b8c978b9bac3aceb9e9782f9377ce2242d3935d0cbe8c7b1fe642d9bd3c80b
SSDEEP

98304:yDqPoBe1aRxcSUDk36SAEdhvxWa9P593R8yAVp:yDqPF1Cxcxk3ZAEUadzR8yc

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3352) 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
4956	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_0aaaf0883fdd9fc768ba60a0431d3d66_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_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3592
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4956

C:\Users\Admin\AppData\Local\Temp\2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_0aaaf0883fdd9fc768ba60a0431d3d66_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4072

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
e186279a80fffaa9d063f3cb8bb526b9

SHA1
125cf69ba5a2b834fb6d4a121fe63bd7fd10dd9e

SHA256
902f60193ee3f6166acdfff12d30909d8bb3a69cba7f1a600c81755af8f19033

SHA512
0e6a5ba2af8c5729c166801ac4c1ece071c0f56e2fe0aa281c68a7740612624ac2b1ad7ea157d23e85db5823984c92373b493bca0272cd6d415cf0909c492978

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