wannacry | 0aebee6d185990839051211cb6aad9839b7626dfe6f2dc4b6f003dd9148981ad

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/11/2026, 09:28

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General

Target
0aebee6d185990839051211cb6aad9839b7626dfe6f2dc4b6f003dd9148981ad.dll
Size 5.0MB
Sample261101-lfb7lsv18q
SHA256 0aebee6d185990839051211cb6aad9839b7626dfe6f2dc4b6f003dd9148981ad
MD5 9b217c2e5b9b513ab0fa4f0487f64846
SHA1 d991af5336895e2e26e2f76900f7882911a806a8
SHA512 546e7b197d76a85b92bef268c3d52c84c12aff6c7405a2c487b89e2dc13197163e034e4b04afc0d7c9613b657c04228e868d03a362552f9f39b38b0d8358def8
SSDEEP 12288:ywbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:JbLgdeQhfdmMSirYbcMNgef0
TLSH
T114361216726C92BCC2696231E06749319BF77C6E62FD960F8FA487510D533B0BB68B07
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery wannacry ransomware worm

Malware Config

Signatures

Family: Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3366) 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 3 IoCs

pid	Process
1748	mssecsvc.exe
3928	mssecsvc.exe
1764	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 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	mssecsvc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	mssecsvc.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 1424	2828	rundll32.exe	92
PID 1424 wrote to memory of 1748	1424	rundll32.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0aebee6d185990839051211cb6aad9839b7626dfe6f2dc4b6f003dd9148981ad.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0aebee6d185990839051211cb6aad9839b7626dfe6f2dc4b6f003dd9148981ad.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:1748
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:1764

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:3928

Network

MITRE ATT&CK Enterprise v16

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 2dada064e3b201ca281e4ed123d1080666d1ac891ebb4b04d97724bb38ac74f2
MD5 ce19d35b2439751e4305991bb6a16a7e
SHA1 7b9792537dbff2fce0c3137e1efac9bf7de7396b
SHA512 e21ede709b980d76fdf2433158a1480343bc71be6c2d36d3776eec9275a426b1a7464236593198dcf164e0d7ffc0d1ae4a38ff98bdc41197ff44d5c4069f98c5
SSDEEP 12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:VbLgdeQhfdmMSirYbcMNgef0
TLSH
T172061216712C92BCC2696231F46749319BF77C6E62FD960F8BA487510D533B0BB68B07
MD5 SHA1 SHA512 SSDEEP TLSH

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tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 28a1190da7076837aa98c9418d7615f3c835cf09dd667cfd6285dc38c24efd2a
MD5 8c39df25376dd9a4c64e59461257f151
SHA1 5f685c561086e1c35a0dea7f4b07a166713c5182
SHA512 1670ccb20e145db93823695acedf6de090bfbe754b9118e1419c312da802b9f42cb421530df4a05b852fad8d065a361a31b9e9f5a4718531e610ff47571b58eb
SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:nQhfdmMSirYbcMNgef0
TLSH
T130F52372B13073BED7B92672F05B80230ADA16FFB1DE270AD9E4438158446B49F596CE
MD5 SHA1 SHA512 SSDEEP TLSH