wannacry | 5f5d3280c47371a32b3b838979752ba38806c79f83b01bef23b811e57c9a7b57

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 11:08

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General

Target

202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
Size

3.6MB
MD5

0e1348bbba0c267e031edb6149c9ea5d
SHA1

b2602649dff3895e11ccd2a82722d608941d7928
SHA256

5f5d3280c47371a32b3b838979752ba38806c79f83b01bef23b811e57c9a7b57
SHA512

d2a0c8562d9675d7d3b18f756d3940ebdeeb2b35c5ef566b081f88a1639f161791664a93c3cc6f983fdda1bc33d901406b03b8d1b68d6d66c3c885006eda3e3c
SSDEEP

49152:tnNQYMSPbcBV6j/TNRxe6SAARdhnvoVvI:hWYPoB4z5Rxe6SAEdhvX

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3353) 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
3352	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	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.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	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe

C:\Users\Admin\AppData\Local\Temp\202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4424
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3352

C:\Users\Admin\AppData\Local\Temp\202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe
C:\Users\Admin\AppData\Local\Temp\202408230e1348bbba0c267e031edb6149c9ea5dwannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3968

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
582d04ff78da5bfd311804f49be81219

SHA1
8141c26f7f37f0313d5906fc0a2efe5df8775197

SHA256
5e45f72706f10483c079cd0a829d1b32dc92dfc977ed90420450869e3aad1d30

SHA512
b81483a4db7db5b94d05db9e0f7266f3ad59d4217f0718236b345a1a217a55a35ab2655ce2b1edc3a06cbf70e4cf0008941194e8842d97abeb970afd85db5ebe

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