wannacry | 273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 05:03

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General

Target

273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
Size

3.6MB
MD5

48bac2dba6ccf491a0b5edae84d29d20
SHA1

3823d56b5097f9e748b1db2741dfb4bbc94b8ed3
SHA256

273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2
SHA512

a66fb72f996f58df0f282786937424ab44120987a2f86b5c43012da9b41d8c9b9dd6549b8b5ab7919a3f81f1ddc9803f8da5ad89dc37606fe889f25497a85dc5
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAWv:yDqPoBhz1aRxcSUDk36SA/

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2400) 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
3360	tasksche.exe

Drops file in Windows directory 1 IoCs

Processes:

273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.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:

273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe

C:\Users\Admin\AppData\Local\Temp\273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
"C:\Users\Admin\AppData\Local\Temp\273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2840
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3360

C:\Users\Admin\AppData\Local\Temp\273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe
C:\Users\Admin\AppData\Local\Temp\273380e761312bb519d1a0774cdf7f1334e417fe23f90514c27e31f8104716d2N.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1872

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
c797b112f8515cf959877216fe253696

SHA1
760ae44bdb27e508076cd6918001c883348d362d

SHA256
1dd21be7469718e50e735d169b2207f2d99aefe0429d1bd19367af45c13e88a3

SHA512
c06ed43e9fc02933485f5bba3ff7a21089cf281b089ae49ab65d26c6cfa3086db908a914ff401c6951b69ba9fc944cd13029ee8fc0e928c20cc65edd98b98b6b

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