wannacry | d09e549ef00d6ecdef42b1c076a3c9d311af741a21845db5a0760935962fa006

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 15:12

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General

Target

20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
Size

3.6MB
MD5

a2acb21a7c5a824738585561ed53eaac
SHA1

29c30a76608ffae78fdd7b671323b34688cba76f
SHA256

d09e549ef00d6ecdef42b1c076a3c9d311af741a21845db5a0760935962fa006
SHA512

9ac0fd7f32bfc7172bb099eb5d8e9244fb25336d9cd2318a5ccfec851e5968bb1097f34c6af8cc3c46ac32dcd07ef51b7e492ee5d57d12dd1c78d4d7278d0cfe
SSDEEP

49152:2nAQqMSPbcBVQej/13n4bo3NCdRvWyXeXs:yDqPoBhz10o3oWyuc

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3148) 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
2484	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	20240919a2acb21a7c5a824738585561ed53eaacwannacry.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	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1848
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2484

C:\Users\Admin\AppData\Local\Temp\20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240919a2acb21a7c5a824738585561ed53eaacwannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1076

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
919e99bc955ff6f8060c73bdf7522f7e

SHA1
78f1f043dfdc92282c78e6ce4fe0df58d215f130

SHA256
d22b697a018a3fec9daff3f5f7d59266c226749d6fab316d80688bebe10cb229

SHA512
87880e62875a772bbdd0f8a0776218c2e29f2fa8939841aa7464cee89009b8db0d621b42fe5785060a349d07678efa4d0046b72e78ffc1ddc8ab496b16471011

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