wannacry | 77f65159e8251180cdfb100d50367c26664fbf299ea785be097d998ba4ed60f4

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
17-11-2024 02:27

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General

Target

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Size

3.6MB
MD5

3d3732604af5995fda078cdaefd32bde
SHA1

69d00d3f2411f6c26817ede0ad6e1544c1cdeefb
SHA256

77f65159e8251180cdfb100d50367c26664fbf299ea785be097d998ba4ed60f4
SHA512

a62cd8818ee66455fb3984ab7bd605bed7c318bfacf01fd5c5277200294ec59f7506d5c396745db2971854c104103cb915cdf536214330b189219f874e79b71b
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA8aEau3R8yAH1plAHI:XDqPoBhz1aRxcSUDk36SAz3R8yAVp2HI

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 (3272) 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

Processes:

tasksche.exe

pid process

3240 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

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

pid	process
3240	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-17_3d3732604af5995fda078cdaefd32bde_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

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4016
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3240

C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-17_3d3732604af5995fda078cdaefd32bde_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3584

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
baf218ec05c41910dcd0aca3aaeac4ab

SHA1
a76a0ad92254d708b10722c95df31c41edb911c1

SHA256
913bf85d425d1495710dcb686d4096b25635a2f7fd88f1c11e5af115a2c6704e

SHA512
1f6ec45545f33f34a0323dc684a0d9ef7e16c3f988ff935bf224cb8d87bdcc0065d6c503e7e0b784c267d180562e15b03edefc184e00f29331efa0ef65a510d7

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