waski | 98621394aacc4c527e496cf7172dd3b98dd942232e5e3e84b47ddf73e6ddc680

Analysis

max time kernel
148s
max time network
126s
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, 12:07

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General

Target
2026-08-20_aed49390337172f21939bf48e8d80fd7_elex_wannacry.exe
Size 18KB
Sample260820-para5adb22
SHA256 98621394aacc4c527e496cf7172dd3b98dd942232e5e3e84b47ddf73e6ddc680
MD5 aed49390337172f21939bf48e8d80fd7
SHA1 82529949a91c1adf0cd004a3b2a52ae61a96aa0a
SHA512 7e1cbbb19cfdf2595d6951e87f2db8c09febcca76052f513fde2f69765cf5cdd7279cb22f466b247fe26dba26027359faf2a863681f10300214d5f42db82249d
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2RR:uxckEEd62J7F3Gih1uTRTF+M
TLSH
T1058284355BE40DB2E3FBC7B685F7C1D6A834B43B7B03592E80451B892C23E119CA1B99
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/0x000e000000016ccb-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
2552	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	2026-08-20_aed49390337172f21939bf48e8d80fd7_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 5384 wrote to memory of 2552	5384	2026-08-20_aed49390337172f21939bf48e8d80fd7_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-20_aed49390337172f21939bf48e8d80fd7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_aed49390337172f21939bf48e8d80fd7_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5384
- 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:2552

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 18KB
SHA256 6a1926ada48cf2f75ac6ab4c7c08a8af98cdf4c2d90d70d833e2aa9552074f97
MD5 db4ed114834ce9aa43c290a286992904
SHA1 e87dd5df21d7ff405463aaf5a666aa2d89178ee0
SHA512 f7bf6dd8b7b03b3ee12427c2271e538432ad1fc5bccb5cde280a6de58a8598f2f499af8015152e16cf0e0354727ca512f41838d29478981d219d51eccb7ebd22
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2RbR:uxckEEd62J7F3Gih1uTRTF+Y
TLSH
T1C38273355BE41DB2E3FBD7B685F7C1C6A834B43B7A03592E80451B892C23F119CA1B99
MD5 SHA1 SHA512 SSDEEP TLSH

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