wannacry | 2677c44d5e6c2a6eded55afbf3ea9833ad4d49517f168a21f6d3a2ff2db5aad9

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-09-2024 17:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Size

5.0MB
MD5

6dd98738d86ddbc32bb2092ffbe842e4
SHA1

c742f4483c81a443d19b9d1b7f1ad6a5ede5cd4e
SHA256

2677c44d5e6c2a6eded55afbf3ea9833ad4d49517f168a21f6d3a2ff2db5aad9
SHA512

7c81e9aa252e5a1ae46c589b623924a31ffafe8575bb45721adbfe3234fa757bde167f1d880c89f88ed2c4ac4fd4df21256ce7457c8a13490a7a86327401d4de
SSDEEP

49152:QnpEKvnEEeZezw2uvgyd7+KnT2becwT6DGMIBHuLZy:Qpqi9ywKSbevWSdOLZ

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2187) 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
1284	tasksche.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\eee.exe	tasksche.exe
File created	C:\WINDOWS\tasksche.exe	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
File created	C:\Windows\__tmp_rar_sfx_access_check_240670421	tasksche.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasksche.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"	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 1284	3316	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe	92
PID 3316 wrote to memory of 1284	3316	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe	92
PID 3316 wrote to memory of 1284	3316	202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe	92

C:\Users\Admin\AppData\Local\Temp\202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3316
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1284

C:\Users\Admin\AppData\Local\Temp\202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409166dd98738d86ddbc32bb2092ffbe842e4wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4972

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
2.0MB

MD5
58ce76cd318f056a1cab5d87082615c5

SHA1
37c1ed968f4c69c2c9773ed37df3a581aa065c19

SHA256
f82bbdfc6091207e3c704bc71985d4140ee365c705f6eea6791b8f3a48ad148f

SHA512
6fe139161456558051c9926a4fcc36d47452fc100818beeb08f9423d0adf69b13c02a710aaaaaa8e3301b7acda9746ea4981106e9fc119a21dc3a2a668bcc40a

Download Submit