wannacry | 39c214a655a757356e8cf4ceed6a4d3aff8077ce54acd68aea1fe5334065e361

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
17-01-2025 13:04

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General

Target

2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
Size

5.0MB
MD5

d6b24e8810a622e3e289f6a9079e668e
SHA1

3cff49a5ca2db92cbd74b64db55502c277ec37fe
SHA256

39c214a655a757356e8cf4ceed6a4d3aff8077ce54acd68aea1fe5334065e361
SHA512

58b1e6434d6788318ce40c3ce89e47803258c52d8c0cac5c14a291b5eb9a86d1a589f1dcbd0a4d682bb6f2805ff13a316fb2546e99950a28c2d8d575d069e873
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5OAVp2H:XDqPe1Cxcxk3ZAEUadMc4H

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 (3384) 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
744	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	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_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	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_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\UNCAsIntranet = "1"	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4544
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:744

C:\Users\Admin\AppData\Local\Temp\2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-17_d6b24e8810a622e3e289f6a9079e668e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4512

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
938c8405b0ccf0ba9635bb444cec105d

SHA1
c94a31c823bec3b35448185601daed18678dc38e

SHA256
9e9c78583f5be4a758525bd28f7f579597f07a567c5474e4ae08785813f27420

SHA512
26e8332f165194772aa6eea71f95e241f357c090ef1ae0f2dec8bf175a69edf27aa2a716d611484db3688e06fd37b3b37f8ea70781f17dc894f9c9f3ec031dee

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