wannacry | 8e3e4515e3d0bb5e09da96909f41db890e366b7a7e31343a9d4e809c45fe9adf

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
27-09-2024 16:49

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General

Target

2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
Size

3.6MB
MD5

1a5860aaf8a416dceba4ab6a7ba15be5
SHA1

0c2ad837dee0eee3aa40b88b2edc2e3a2a9594d4
SHA256

8e3e4515e3d0bb5e09da96909f41db890e366b7a7e31343a9d4e809c45fe9adf
SHA512

88058c76ea67b338b00b62051b3c6a15c3f6f9a5f51b5195d6b835643b2848efaa859f90ad04c921eb2a090666e9641673147db5d8e879631d27bfdf19fed80f
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kAk+gdhA:2nAQqMSPbcBVQej/ogdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3257) 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
2908	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	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_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	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1364
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2908

C:\Users\Admin\AppData\Local\Temp\2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_1a5860aaf8a416dceba4ab6a7ba15be5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:64

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
deaa2f62a68d12a3e9842ae2b5641c03

SHA1
59e6a69888aac87a583b3f2c212df36aabc99907

SHA256
c0cba8900a4ce6bdf7b070be9d1768c7729654b9d1971a6ca57dfd7e7530fd2e

SHA512
17ce62dd1143db984f61395e5589c13f5a64854e52fd1f8de24b8fb4b1d4cdfba40f6db6c485f35b2ecba924a528de745a307b4a9867a5be7bebc97974e0b3a4

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