wannacry | 53363558a832ba3ce47137c0bfe5001f51eb83a80fb8bea4697e3beabd335461

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 23:42

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General

Target

2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
Size

3.6MB
MD5

4d1934a213eb3aa074a00c39033b54be
SHA1

f3652f68d119574d4187fe3580a27326ce13e6bd
SHA256

53363558a832ba3ce47137c0bfe5001f51eb83a80fb8bea4697e3beabd335461
SHA512

85f4a4cb5cc737d3ea652f9c002dd0b356bb37041bec7ac8c0d3df1aeddbefef0b632aa5c54540cf22ed388ed47bc294780d111cd2e945f6622c035b3fb96117
SSDEEP

98304:XDqPoBF1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPW1Cxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3229) 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
2912	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	2024-10-10_4d1934a213eb3aa074a00c39033b54be_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	2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_4d1934a213eb3aa074a00c39033b54be_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"	2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2184
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2912

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_4d1934a213eb3aa074a00c39033b54be_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3652

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
d7ba97b96502b99fb189f0071b2378e2

SHA1
7a76051e68b0d99d8b4d410f9f64f0a13fc9e1bf

SHA256
96bab46aed40e7687bde2ac9b80792323ebdb789dd91278bf44586778e880cba

SHA512
72f39bf5cf628518a8a52d4ccddd20966bcc3b49be9071be7b3ff8801616f0a7759b9c170bbd43fe43d4b8c6d3e58d96e7f30c9fb124412dfc43604fc40aa7b1

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