wannacry | e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 13:10

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General

Target

e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
Size

5.0MB
MD5

1cea714d9e2d28cc57b14fc0b1de9450
SHA1

a34a4a94fa58810a2aa60420859eca6e734375a8
SHA256

e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2
SHA512

e234c65c6a47ceb3241b30096149548dad935715b0afcaadba81a33babb1b125c1f84c2b00f11bc1402b911daa99b7b108a4c127df4ca9a4934d6de4dd5d4fc4
SSDEEP

49152:2nAQqMSPbcBVQej0x+TSqTdv6SA9vxJM0H9PAMEcxyAH1plAH:yDqPoBhwxcSUR6SAVxWa9P5HyAVp2H

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 (2516) 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
4504	tasksche.exe

Drops file in Windows directory 1 IoCs

Processes:

e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.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:

e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exee6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe

C:\Users\Admin\AppData\Local\Temp\e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
"C:\Users\Admin\AppData\Local\Temp\e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3456
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4504

C:\Users\Admin\AppData\Local\Temp\e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe
C:\Users\Admin\AppData\Local\Temp\e6a25bd51871027b721faa8725ecc1dd95f01a9a239677ea935c2773fa92a4d2N.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3232

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
7483aed8e5a9a9dd2b5ea1821a8df609

SHA1
62b0e7d51e8cd0192a7a7a822851a9f4bd15966e

SHA256
c808ae843ab218e0a61b2d4d099cdfc6e8369e4f64b151115705d6ad449e23f9

SHA512
b279cd4452654fb34cf831734c8177a51e4105b8df6eb60da9b97e921c643be0b92977dac6d7f144214833ffab611b41346a64b37e21a49cbade7d72ebd98c7c

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