f43ca7815786bf19d46f9ec023434113f91d4eef6766db339d3817cadf9285a9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/08/2026, 01:59

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General

Target
2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe
Size 31.9MB
Sample260806-ceefxa1eqe
SHA256 f43ca7815786bf19d46f9ec023434113f91d4eef6766db339d3817cadf9285a9
MD5 051f77b6d3fcbd0aaa61be4c5e7b69c9
SHA1 43e94cd40a932fa0e928ffb61c88e3042a924029
SHA512 01170acd86754a08afcf5a7044df22c69362fb7891e96c3b40b12091d479d3a7a38ac07267850cb61a74576bf48ca2340bead7ee46737039c3d7ef9ec2461034
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZP:P
TLSH
T17777A8D87261DA0AA4D4DED9B874CE2FDF10700484586E4B8FD89A97FB1E4F94878F81
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4944	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	4944	WerFault.exe	87

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	2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3796	2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe
4944	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 4944	3796	2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-06_051f77b6d3fcbd0aaa61be4c5e7b69c9_elex_wannacry.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Program Files\Common Files\Microsoft Shared S\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 420
    3⤵
    - Program crash
    PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4944 -ip 4944
1⤵
PID:8

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared S\lsass.exe
Size 43.8MB
SHA256 f23447a2c3fc640858db2e7102db9c4f36e675bf0146dde548b491a148e3fe68
MD5 af5829d002edf8fb15af273252dd4e22
SHA1 adcfaca2c459a3beba991143aabc2042dca357af
SHA512 d317e21bcf533495cac15f07f8afedce40ed5c26f607f42e42d4091fa6c82bc18e4fce1070bd6382fb1666be2c9b5a62097f7dfc1c389b64de0a688286531efa
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZs:s
TLSH
T158A7DAEC1531FA05F488EEA5AA35895BAF107044C858BE4ACF959A92FF0FCFC4574E42
MD5 SHA1 SHA512 SSDEEP TLSH

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