wannacry | 85e5613a3735de5919afcddeb03fd046c391c2903594e6c7d5de2c642f66c7d0

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 02:41

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General

Target

4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
Size

3.6MB
MD5

53b59dac7f15722f31ba559d645b57cd
SHA1

0b73b90f583c63db0677ce951b80429421150544
SHA256

85e5613a3735de5919afcddeb03fd046c391c2903594e6c7d5de2c642f66c7d0
SHA512

e0f98948e164b5c5ef276b54c65cb240768d067849886eb969c8ddcc750164724d0bd5c38eae197b1df83d341232c97126bd7ca423a64cf6ad58d0bca0fd23f3
SSDEEP

24576:VbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqc+9kEmzKAxGqcCZ4:VnjQqMSPbcBVQej/1IKQB4

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 (2539) 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

Processes:

tasksche.exe

pid process

1932 tasksche.exe
Drops file in Windows directory 1 IoCs

Processes:

4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

pid	process
1932	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.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

Processes:

4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
"C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:720
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1932

C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:1392

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
5b9b946ff68efdec98f3be57f92e427b

SHA1
8bf852917b57079a2caa87029848c6f2e84c51ec

SHA256
80a7bd6d9a7b5945f66478e9a5ff96a91a28c64336f5245e7f7fc2aeaa752b01

SHA512
4702c354f68048d32678452052718f401fa9a90e024ea54c337866faf22a92ecacba9c73dc8fb5dc4a8ae8e74be0c3ad44d06783f14bd4bb0c60554ba232f75c

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