wannacry | e75dd5cd1277b7a6bbd706f52e6c3155d500dbcfeab62660cdf2557e0087f65d

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 18:46

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General

Target

2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
Size

5.0MB
MD5

1934eda553c9ba5e54a99625ae1fa21e
SHA1

01085d9f347c427dacbf1efece32e592f0303cf3
SHA256

e75dd5cd1277b7a6bbd706f52e6c3155d500dbcfeab62660cdf2557e0087f65d
SHA512

807a9ea6850e6f1603ebf29941ae7ac98a979e563db18feea6882574ebb894cf17621b237d763103cf49dac13d51dc921bef1e11a11374cdd59c3b01c58efa1e
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5y3R8yAVp2H:yDqPe1Cxcxk3ZAEUadiR8yc4H

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 (3288) 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
4624	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	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1232
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4624

C:\Users\Admin\AppData\Local\Temp\2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-30_1934eda553c9ba5e54a99625ae1fa21e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3700

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

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
8a708a7958653a52b38001b9cccaf370

SHA1
799e5398a02e89d2814657bd48163740354cd026

SHA256
0c0130ac7cfe08e0b95a4860b06d8c2fac0cd6c5726c6d4ea480f142cab20be6

SHA512
59fb5f8841710836baa0401a7e806b9b66188514b901e82b7c8b32c76706c4f7c4087fda722c59b4e5c0123a3f060c406b14103217847b17d61c46142fd27d3b

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