waski | 53b83a81a3d60a0d7e0d8b88d47e0ec2b6f56f23bbe7f605801d20cbfaec298b

Analysis

max time kernel
148s
max time network
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
25/08/2026, 14:05

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General

Target
2026-08-24_48beba4a074c7e71a8b9c32b505ee358_elex_wannacry.exe
Size 23KB
Sample260825-rd82fstbrh
SHA256 53b83a81a3d60a0d7e0d8b88d47e0ec2b6f56f23bbe7f605801d20cbfaec298b
MD5 48beba4a074c7e71a8b9c32b505ee358
SHA1 4d3650d1b9bc38d498016aedb83bd6c9c1982d03
SHA512 b882ba5e8fbca73822a9cec85f8c82f519a1b5370ca13aa96712447470e3311a68e62eeec3b1ef62a239c25bed4c968bd5ee414409714fd21dca777e9aaca220
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTUzT81PFH3fXQoZ4A+c:uxckEEd62J7F3Gih1uTRTUzT81V3/Qon
TLSH
T130B210395FE41972E3FBD6BA85F695C6AC35B0373E02981E408607891C23F12EDA1B5D
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/0x000a000000011371-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4488	codecsupdater.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	2026-08-24_48beba4a074c7e71a8b9c32b505ee358_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecsupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5684 wrote to memory of 4488	5684	2026-08-24_48beba4a074c7e71a8b9c32b505ee358_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-24_48beba4a074c7e71a8b9c32b505ee358_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_48beba4a074c7e71a8b9c32b505ee358_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5684
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4488

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

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 23KB
SHA256 83c30d447f278c0a5bd3ad81110bc6860096bffd81719b1d49554d4fc259e7e1
MD5 97d3948d464409112809329ba6e481b0
SHA1 93b08d1bff44a9176b1270f0f1545db1274b1dc5
SHA512 9e7f4efc3f3c905d64d1116ae3e38f587e5572ea883b40a5dffb5f61aad89abe9a7fb74b4ea727c2681d5be9fb00c562a148902841ba7478b5d0f8f4c107899c
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTUzT81PFH3fXQoZ4A+l:uxckEEd62J7F3Gih1uTRTUzT81V3/Qo6
TLSH
T1B5B220395FE41972E3FBD6BA85F695C6AC35B0373E02981E408607891C23F12EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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