waski | 7aba96854501c34c4b95937b5cbb2e6765ba5bd939c6ad75346fad132053635a

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 06:03

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General

Target
2026-07-02_a337545c73bfb535bf1904a67fb14459_elex_wannacry.exe
Size 32KB
Sample260702-gr1bcsct6x
SHA256 7aba96854501c34c4b95937b5cbb2e6765ba5bd939c6ad75346fad132053635a
MD5 a337545c73bfb535bf1904a67fb14459
SHA1 ce683b319cc479151f35d1a0ef2ebdd5271ece9b
SHA512 a96366eb9f8d373b26de499034ae0c97169b0d292c4cf54b1c020b5e2f59605409d6ae8dae73d5af7f0d4e8997ba49fb473b9cec4777981dacb8b5a2e2f4dd94
SSDEEP 384:uTKWckBeEd6ml1pcg7eMUyA9hIbieeqpg1osT:uPckEEd62J7PUyA9hIeeeQg9
TLSH
T103E241386AE45973E3BBCBB586F7C1C6A97574263E03591E80851B841C23F21EDA0F9D
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/0x0018000000011504-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4464	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	2026-07-02_a337545c73bfb535bf1904a67fb14459_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 5440 wrote to memory of 4464	5440	2026-07-02_a337545c73bfb535bf1904a67fb14459_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-02_a337545c73bfb535bf1904a67fb14459_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_a337545c73bfb535bf1904a67fb14459_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5440
- 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:4464

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 33KB
SHA256 cc78ca92843c807214bedafa3627677971243a67c012248828d1e54a839d6ca3
MD5 04de009b05bb929ba92e0d7b9e1b0068
SHA1 07e1badcc3b40f537cba47944f81996f6305147f
SHA512 0dc017ce1cb945de937f624672f1d9d9d2f59c8870a430eea62f44be621c90414fcc8a4be7663effc706b0f34d2c996deb254021c0d97e9b0bc45b6b987d7f19
SSDEEP 384:uTKWckBeEd6ml1pcg7eMUyA9hIbieeqpg1osf:uPckEEd62J7PUyA9hIeeeQgx
TLSH
T1E2E241386AE45973E3BBCBB586F7C1C6A97574263E03691E80850B841C23F21DDA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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