waski | a764d8d3ab9bc40fd395f5a0d151a2fd8665a64a785a674dad1df53dd1f96d2c

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 23:24

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General

Target
2026-08-19_07f2c3b24d9eeb4571f59e497774884a_elex_wannacry.exe
Size 17KB
Sample260819-3drmyswbjd
SHA256 a764d8d3ab9bc40fd395f5a0d151a2fd8665a64a785a674dad1df53dd1f96d2c
MD5 07f2c3b24d9eeb4571f59e497774884a
SHA1 a422c7268a76a31867daaaa9191d0e34f18961f3
SHA512 40b039cf121ffac8c8e54e676d97aec0e4c02ad5b1a72d6bd2c4c66a06922780a80d285d47fef41a4d00ae47165f63eba4ee6f9fd1f59d387a64d1dc1e6df03d
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJP9RYITET+:uxckEEd62J798jB9RYITET+
TLSH
T1088264355AE41C73E3FBC7B995F7C1D6A874742B3B03592E50861B892823B12EC607AD
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/0x000800000001b871-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4900	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	2026-08-19_07f2c3b24d9eeb4571f59e497774884a_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 3536 wrote to memory of 4900	3536	2026-08-19_07f2c3b24d9eeb4571f59e497774884a_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-19_07f2c3b24d9eeb4571f59e497774884a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_07f2c3b24d9eeb4571f59e497774884a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536
- 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:4900

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 17KB
SHA256 700f61146bd3b8131e815fbb12cdf25db20fee406388e77af8fccf5f659992e9
MD5 b6012148f4f00c45a7870c86d2423cbf
SHA1 40d9a6f1b79625c5aabc0ac60070440b8eee7f00
SHA512 c826b317304debda17b796fc2a9a1f5d651da71bdec52b31e73ce022d36e337010f92f80b968047a30d53e08ea793f234edaee049bd770d62d33a04ed2d77020
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJP9RYITETL:uxckEEd62J798jB9RYITETL
TLSH
T18F8264355AE41C73E3FBC7B995F7C1D6A874742B3B03592E50861B892823B12EC607AD
MD5 SHA1 SHA512 SSDEEP TLSH

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