4fba457c884a32e1a105e06b9869a7d6a479ef5bf763ead263c2d618a4a2ba05

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 04:15

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General

Target
2026-08-21_8db220049b36e16031ea2773f1bd91e2_elex_upatre_wannacry.exe
Size 43KB
Sample260821-evnevssflf
SHA256 4fba457c884a32e1a105e06b9869a7d6a479ef5bf763ead263c2d618a4a2ba05
MD5 8db220049b36e16031ea2773f1bd91e2
SHA1 0fcf38c6b811c84b759d59199b4ffef557552d5a
SHA512 427cca341d6c2b9a7f9c45216b54f41913b820591cc62900e5c758a4409cf6cb34d4968b0a0fc1908c9b425837324f9124b4f6a4a94e51e8472a1bcca4038988
SSDEEP 768:A/E+UlejKbjWwKtUZS6KUAghE3c1ng8B4tbHLUGe3YxQ:AC2tUZdHAMEyngXtXUGUiQ
TLSH
T16E13893CAED95572E37BDAB5C5F641CAF979BD223902680E508633400833F97EDA161E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1204	edxmk.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2026-08-21_8db220049b36e16031ea2773f1bd91e2_elex_upatre_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edxmk.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5312 wrote to memory of 1204	5312	2026-08-21_8db220049b36e16031ea2773f1bd91e2_elex_upatre_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-21_8db220049b36e16031ea2773f1bd91e2_elex_upatre_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_8db220049b36e16031ea2773f1bd91e2_elex_upatre_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5312
- C:\Users\Admin\AppData\Local\Temp\edxmk.exe
  "C:\Users\Admin\AppData\Local\Temp\edxmk.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1204

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

edxmk.exe

Path C:\Users\Admin\AppData\Local\Temp\edxmk.exe
Size 44KB
SHA256 8cf0ad39d7b53cdbcd96841a5d51139ca8be95be2d0d2a9cf1726450817de8fb
MD5 895208a85bbbfb0bf60e5e2ed01958b0
SHA1 d99370a07fcb9bd1e47696aa2bcf45585925f6eb
SHA512 5927584a17c4ea583f7652d4685f88638b90317f5085c28ebfd42f2c749226f2be627cd84c6edb50c603f08348ec951d5cfd033e4eac0dce76cebb2bbba680c1
SSDEEP 768:A/E+UlejKbjWwKtUZS6KUAghE3c1ng8B4tbHLUGe3YxM:AC2tUZdHAMEyngXtXUGUiM
TLSH
T18413893CAED95572E37BDAB5C5F641CAF979BD223902680E508633400833F97EDA161E
MD5 SHA1 SHA512 SSDEEP TLSH

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