e25e1830e5e4fd7e86d5af76edce940e7e5067738c0a9e39482cffedda7af733

Analysis

max time kernel
150s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
31/07/2026, 03:25

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General

Target
2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe
Size 29.7MB
Sample260731-dyr2sashph
SHA256 e25e1830e5e4fd7e86d5af76edce940e7e5067738c0a9e39482cffedda7af733
MD5 2080126771542a6f6e687645e348ec91
SHA1 d18d3304c1ce644e076b76ad2e45bda7693ff601
SHA512 1a5b1b79145a327a28bb54c964bef69fcc17c6f46b699163bfeff1a58b577941a5511069c64d3e5dac869835be59f1923006ace1837a00a12e47fb36d254e0fd
SSDEEP 768:zLPJznj7Ia2ghrDTSiWozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzv:XxDLnOi7
TLSH
T11067B72DA6A00ED9A9CCFB77CD71176068384D796C956E425B81F30DE2BEDA012BC14F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
672	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5520	672	WerFault.exe	85

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	2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5316	2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe
672	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5316 wrote to memory of 672	5316	2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-07-31_2080126771542a6f6e687645e348ec91_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_2080126771542a6f6e687645e348ec91_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:5316
- C:\Program Files\Common Files\Microsoft Shared J\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 420
    3⤵
    - Program crash
    PID:5520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 672 -ip 672
1⤵
PID:5328

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 J\lsass.exe
Size 42.0MB
SHA256 f8cf48858399bc5043dd308938ccd317cf435c1d89feee3028eae788d1c93029
MD5 7bfa1608cfc5e96404443ec662970d6c
SHA1 9c3ce1b647dadd1d4a67794bc22b9192f29c78a8
SHA512 410d4334707bb22b7ca5ea6fc348427a2e5b551020921bd2bb986ad26d6c2c521a20f53b1802d2a218e9f00cbe5f94362755dbd36d49ac63d0f8181f34752752
SSDEEP 768:zLPJznj7Ia2ghrDTSiWozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzo:XxDLnOis
TLSH
T16EA7EA2CA6A41F4ADDCDF96B8DB5077059389DFD28D059968F41E7CDA3BECB001A8207
MD5 SHA1 SHA512 SSDEEP TLSH

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