waski | 17eec4d415b48910ac96d183dc1d334a49127604e7272e7435687a4cb21e2a77

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 12:05

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General

Target
2026-07-20_05a1ede954a4410a7f86d814d2f3000e_elex_wannacry.exe
Size 31KB
Sample260720-n9fs1abx21
SHA256 17eec4d415b48910ac96d183dc1d334a49127604e7272e7435687a4cb21e2a77
MD5 05a1ede954a4410a7f86d814d2f3000e
SHA1 4d89eae5f5087886b89ae1d33fe8e04732f2c886
SHA512 c81def62abd893a371b1e47ebadf6dbacb738ae0a0d6885bc667108c091209793acc803ceb44e4369e87795b7e7596f25dcc0d22472e5c054446ab9185806b35
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIS:uTKWckBeEd6ml1pcg7eMUUz62c
TLSH
T145E272386BE45D73E3BBDBB586F7C1C5A975742A2E03992E80851B841833B11DCA0F9D
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/0x000700000001b871-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
720	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	2026-07-20_05a1ede954a4410a7f86d814d2f3000e_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 2820 wrote to memory of 720	2820	2026-07-20_05a1ede954a4410a7f86d814d2f3000e_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-20_05a1ede954a4410a7f86d814d2f3000e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_05a1ede954a4410a7f86d814d2f3000e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- 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:720

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 31KB
SHA256 fc967c859479b4915fe262484f45176014c299221cd112606d977c2de3d510f4
MD5 c340d1a69cb764db6896f84dc5484f40
SHA1 469c26745211dbc957ad7c8956e2a2e1f16023b3
SHA512 33e4d2f93354b85dcd6e369a696e832674abe717920060bd909eb34de9845c189fcd77273fd0dcc442b4634ccce86b75d8a0c02173089005aa91b5479dd3e32d
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIx:uTKWckBeEd6ml1pcg7eMUUz627
TLSH
T164E262386BE45D73E3BBDBB586F7C1C6A975742A2E03992E40851B841833B11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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