wannacry | 18ef00980c8ba3d354695b81e823b6dbe400ce017ae381107bd3824e54990253

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
26/09/2024, 11:35

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General

Target
2024092650da0f64d895b4555e668c1362df946fwannacry.exe
Size 5.0MB
Sample240926-np1yfavdpr
SHA256 18ef00980c8ba3d354695b81e823b6dbe400ce017ae381107bd3824e54990253
MD5 50da0f64d895b4555e668c1362df946f
SHA1 bd74958ec93029ecfcca361f3ca8110b37915712
SHA512 7f6a19281c4fa9830c26ef8d6b4f6dfbd9534c41988b3e462fb7ad2ed2329c17596c990ac254ec1e3e03f56f88c819fb41b48b9d2c7d546bb7c5ddea139e8cf3
SSDEEP 12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7Tw+K+DHeQYSUjEXFh:2bLgddQhfdmMSirYbcMNgef0QeQjG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3335) 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
4564	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	2024092650da0f64d895b4555e668c1362df946fwannacry.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	2024092650da0f64d895b4555e668c1362df946fwannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024092650da0f64d895b4555e668c1362df946fwannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024092650da0f64d895b4555e668c1362df946fwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024092650da0f64d895b4555e668c1362df946fwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024092650da0f64d895b4555e668c1362df946fwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024092650da0f64d895b4555e668c1362df946fwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024092650da0f64d895b4555e668c1362df946fwannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024092650da0f64d895b4555e668c1362df946fwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024092650da0f64d895b4555e668c1362df946fwannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2728
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4564

C:\Users\Admin\AppData\Local\Temp\2024092650da0f64d895b4555e668c1362df946fwannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024092650da0f64d895b4555e668c1362df946fwannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1672

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 ea6f9ad5d5149a61b43e5cfc81dfdbeafebd88052670c0767ef3091d08143fa7
MD5 0780b9abd0feef95f6356458a69df064
SHA1 7981ef3edefeafbdffd64d7a28bd9099e355cc62
SHA512 c826d0f1f14b64ea7407a21f414fdfb3aaeca75db3d445b5388f41c09d424cb6741aa5127bad69b049d77fe8cfd0d613b0166ca20f25d74f7602a9fea7f9572f
SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7Tw+K+DHeQYSUjEXFGeX:nQhfdmMSirYbcMNgef0QeQjG
MD5 SHA1 SHA512 SSDEEP

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