wannacry | 0ef9d87cc6541d54f93149af4a12521b994aa9b1775b60e6ce60d0c5e5a930ce

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
06-09-2024 11:53

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General

Target

2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
Size

3.6MB
MD5

abc2ac1b583032c5f2ddb636c34342c4
SHA1

be9b9636376dd4a019227285896594d27c4fe353
SHA256

0ef9d87cc6541d54f93149af4a12521b994aa9b1775b60e6ce60d0c5e5a930ce
SHA512

cbfff0bb0f588b4debac0aab80adbfa232a9c73789a271088fea3725b123ad3f6d6fbfc90b73710e91cac40b999d6baac36fa35ccec99313376ccd938d6f7d7c
SSDEEP

49152:XnAQqMSPbcBVq/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEdI:XDqPoBc1aRxcSUDk36SAEdhvxWa9P5SI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3245) 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
5064	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	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_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	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_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\UNCAsIntranet = "1"	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3568
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5064

C:\Users\Admin\AppData\Local\Temp\2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-06_abc2ac1b583032c5f2ddb636c34342c4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:920

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
5ffa0bf099b42864698794afac439aaa

SHA1
9b6a827cefd04ea268ef14160a67d4e3a1a67903

SHA256
170c2e437ac932e396146ba0c7cd0b3d6b09cc4938f27455aca3b58505248f76

SHA512
a8a7b8061bd87372ca783763827da0c878eb014875f86b5e6c9f42c8672d60e3c13d5851218bbf3db95c726c4eaa961b62e96941a8ff658f67bdadfaf6a33b4f

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