wannacry | db0152ca189030dcce57c32a8e97e3609b1d97c78f28bd4ea343877bd3b09ca9

Analysis

max time kernel
150s
max time network
155s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/09/2026, 23:46

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General

Target
db0152ca189030dcce57c32a8e97e3609b1d97c78f28bd4ea343877bd3b09ca9.dll
Size 5.0MB
Sample260930-3sbv2swybx
SHA256 db0152ca189030dcce57c32a8e97e3609b1d97c78f28bd4ea343877bd3b09ca9
MD5 f07df50c82c7ae2d8c729191066f836f
SHA1 610fdc2c597607a34d3645f35d30ba0323e32a13
SHA512 b0c3cbde05e570ce98b3bbc9f94e57ff829aa6fa027f5658e40256a6abd282d217619a51ed31816dcfe8a2f03ca48e92d59dbdb6f303bc4e6e67e891ba12d5bd
SSDEEP 3072:cV+LydVaND9y0m3aILEVTCW5DgSglPcTcMXaDfldx0dFJtkoeV0XXg6:yE9l9yNqIYVTH5DgSg8ajldktM0XXr
TLSH
T17636C00A269C80F8C459927194B74F25E7B7BC1E1638C64F1B64DB660F63391B978F13
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 (3377) 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
596	mssecsvc.exe
1364	mssecsvc.exe
3888	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1784	3888	WerFault.exe	91
5656	3888	WerFault.exe	91

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 4 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	rundll32.exe
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	tasksche.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1172	4120	rundll32.exe	88
PID 1172 wrote to memory of 596	1172	rundll32.exe	89
PID 596 wrote to memory of 3888	596	mssecsvc.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db0152ca189030dcce57c32a8e97e3609b1d97c78f28bd4ea343877bd3b09ca9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\db0152ca189030dcce57c32a8e97e3609b1d97c78f28bd4ea343877bd3b09ca9.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:596
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3888
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 260
        5⤵
        Program crash
        
        PID:1784
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 264
        5⤵
        Program crash
        
        PID:5656

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:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3888 -ip 3888
1⤵
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3888 -ip 3888
1⤵
PID:5064

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 47b7203d64be038893c86cfa2c886e3e0a0fd605888b6cd3db348c8e780c7982
MD5 046b9bf313877b3ea3f7bb99f296ed64
SHA1 c4cc11148046dd14f9a5d3a35e9290aad62b2799
SHA512 81c3fdd1470967a59edbc61e52c015a63975a6395dbeade2a8b7113b9e205a1a82d6e7489e0c9ebbb68d87c7fdc67daffe3d5336f5f83847f86fe4cae2f962bf
SSDEEP 3072:QV+LydVaND9y0m3aILEVTCW5DgSglPcTcMXaDfldx0dFJtkoeV0XXg6:GE9l9yNqIYVTH5DgSg8ajldktM0XXr
TLSH
T10106CF0A269C80F8C459927498B74F29E7B7BC1E1638C64F1B64DB660FA3391B578F13
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 54fadf51679fcacf06e4a259c4ebf7c873362c37d78cb5cbb4e7da64b0780b4e
MD5 e6beff6f1b9ba01a428a15fd360193c6
SHA1 0993f17614c73205ca33769fc135a02751e7970b
SHA512 a48eec8a2bc27972c60d6ac2531269ffc7de82005ba606b816c26be7cbf7ed8641f2a17dab60ba4f96a9863cd5ec72dcc8567a9b24631f54abdc9b0da9383ff4
SSDEEP 6:idquVg3F+X32wAqRtFigh6LAjBh+kv1OHii//MU1E+B:eVGSGwAqrFigOAikNFUBB
TLSH
T18AF52097EB5CB8B2E54C2170094FCC266AAA6574DBF141C60EF4002E78E177579F6E09
MD5 SHA1 SHA512 SSDEEP TLSH