waski | fe40dea3e0573fac5d482d39969006755404ec08431d2e5ff52e56354b4f3866

Analysis

max time kernel
148s
max time network
140s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 00:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-19_a366234ddf2cedf18daeea579d65af66_elex_wannacry.exe
Size 29KB
Sample260820-abl1gaweld
SHA256 fe40dea3e0573fac5d482d39969006755404ec08431d2e5ff52e56354b4f3866
MD5 a366234ddf2cedf18daeea579d65af66
SHA1 a86e83ffefe32bfbf26f919433a02db31ca4a5cc
SHA512 d4e62510838149c9df148f9cc0bdb06e7cfcad75283d7f8a7f9e778431a0d7bdd9110596d30b097d430abc2cc232720db1b4fca92d6c220bd4f791fe8ffaa079
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NUOASsslhi5WsMXe:yGEWbwbF8sw/Mu
TLSH
T168D21D3D6FE559B2F3B7CAB684F65AC6B934B073B902490D808603450C23F16ED91E6E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery downloader waski

Malware Config

Signatures

Family: Waski
Waski is a trojan downloader written in C++.
downloader waski

Detects Waski payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001b85f-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4284	operaupdater.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	2026-08-19_a366234ddf2cedf18daeea579d65af66_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	operaupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 4284	800	2026-08-19_a366234ddf2cedf18daeea579d65af66_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_a366234ddf2cedf18daeea579d65af66_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_a366234ddf2cedf18daeea579d65af66_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800
- C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\operaupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4284

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

Loading Replay Monitor...

Downloads

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 29KB
SHA256 1f9b5cd7534db7a4fd241be0f0bb22b97f005cdedb9ddd64b32eb94e49b0a981
MD5 faaf38dda4f2e2c856989206cb7a6ce5
SHA1 ab802d066c7ea213847373afde5901aa2a025a3a
SHA512 1a5c5ce82b937ed31215a540064ea1354df3655fec100fbf89c87d3fd5749f8281dd60ab4305b4d74363db3d1e36ea1e2a720ff8a7ab9c992c6318211563c925
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NUOASsslhi5WsMXZ:yGEWbwbF8sw/Mp
TLSH
T189D22D3D6FE559B2F3B7CAB684F69AC6B934B0737902590D808603450C23F16ED91E6E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download