12791b508a83f400a1c92e3132cb9763298ed65f654fe97cf61798aa142d34ca

Analysis

max time kernel
151s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 04:31

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General

Target
2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.exe
Size 38.9MB
Sample260819-e5cfcawgmc
SHA256 12791b508a83f400a1c92e3132cb9763298ed65f654fe97cf61798aa142d34ca
MD5 bf0dae911167110254a231491d533612
SHA1 70b2c8f911b8514655e61330708e022b0428b9c1
SHA512 c2259b358c0ab3d9433bf03103f92390f8c56d74f10aa6f2d31c4265da461a51e973d10e66ca4cfd930434db15ddcdc7d33f39cdd8c0c098706f3597cc57959c
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:EV
TLSH
T12097B630D68B2AF69D2F333F79C67CCD944AB4F91E256BF98218EC4803593A9114276D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3400	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4228	2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.exe
3400	lsass.exe
3400	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 3400	4228	2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_bf0dae911167110254a231491d533612_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_bf0dae911167110254a231491d533612_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:4228
- C:\Program Files\Common Files\Microsoft Shared M\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3400

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

SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 73b40dd99fe506e3590b2160d6d589ca05b62e0517fdcb8e8fb3ca6dd4676465
MD5 586cf1c31259bfaa2e1db908ccc78061
SHA1 061f8b3ee2952a453fe9d72f1c3825027dd7f15b
SHA512 5d3c08eb3076ff2a2626a09b964edddddcf6752964b11c3309b626501495fde6a8a63b250c50a18162d16737e66e1a266113f66e7ddadc76dc56186ca391557d
TLSH
T1DEB01200D1ED59291C0050275ABE490DD06278092E2E17081750A546668695DF548104
MD5 SHA1 SHA512 TLSH

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