waski | ebc0edc26761e60a45422e1e76c6f757989190cdb6d6145362b3a6a939ba2d34

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/08/2026, 22:27

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General

Target
2026-08-23_c17797e659550a737fb691f4f175b8e5_elex_wannacry.exe
Size 35KB
Sample260823-2c73wa1cmd
SHA256 ebc0edc26761e60a45422e1e76c6f757989190cdb6d6145362b3a6a939ba2d34
MD5 c17797e659550a737fb691f4f175b8e5
SHA1 e720906e8c819fd349b012776204a6bbe2572d0e
SHA512 69cded0633421be0ab92fa0b66de7b692d1d923c3c0e7ee094e880bc48fa7790e365f8b161b4010607aea1d4ff20e233fdc90653a547d2428a187ae1ef8664e5
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52WK:cc3ji6kgi1Bc7sR584jfWK
TLSH
T173F2BE386EE91972D3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000f00000001c54b-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3416	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	2026-08-23_c17797e659550a737fb691f4f175b8e5_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 1156 wrote to memory of 3416	1156	2026-08-23_c17797e659550a737fb691f4f175b8e5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-23_c17797e659550a737fb691f4f175b8e5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_c17797e659550a737fb691f4f175b8e5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1156
- 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:3416

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 36KB
SHA256 3f1f21eedb20138ab9f427f916e13119a86f56081b43442f74af0d0cfa7a1e98
MD5 a439a889f136d6fdaa440bf2bf785c20
SHA1 7b890e1c12f82c3d6cec2e85ad3c8797643f59f4
SHA512 3beab186bacb886d6bb94edf47f93fa8fba0a31d750c8a0c29abe00bdbab1ff315bad62c0c50fdddb1ce16f22b4c2b5160273d8391bb2f785c2d0162d9afb047
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52W7:cc3ji6kgi1Bc7sR584jfW7
TLSH
T18DF2AF386EE91972D3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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