waski | 276662a485ef67d60a63916f7518a8b3a80c9683279e14c88affd1aaec863786

Analysis

max time kernel
148s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/09/2026, 10:46

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General

Target
2026-09-17_cf2a2da23d5e34e57c5457ba406cc437_elex_wannacry.exe
Size 16KB
Sample260917-mvbeasywdv
SHA256 276662a485ef67d60a63916f7518a8b3a80c9683279e14c88affd1aaec863786
MD5 cf2a2da23d5e34e57c5457ba406cc437
SHA1 90a7c47f9be1a9e0327ca12c7780feda6bcc3176
SHA512 9b60b02d17990ad56123f4f8f906c051890722e1eaec02038079d4767e78b139aed9e39c49a1f25991a7b46a56e6a834a4e00c19aea3245f6e5dbe86205db5f2
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmtBUPN2Rp8JicBVyDM:uTQWckBeEd6ml1pcg79UP4EJPkb4Dx
TLSH
T1DE7296355BE41D73E3FBC7F595FBC1D6A834B42B3B03592E54891B882823A11EC607A9
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/0x000600000001b85a-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3316	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	2026-09-17_cf2a2da23d5e34e57c5457ba406cc437_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 2796 wrote to memory of 3316	2796	2026-09-17_cf2a2da23d5e34e57c5457ba406cc437_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-09-17_cf2a2da23d5e34e57c5457ba406cc437_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-17_cf2a2da23d5e34e57c5457ba406cc437_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- 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:3316

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 f13c599a2684c8edbe0b2482783075618159753327ccefbc6e12c7eff1c3171f
MD5 8153d777be7525cffdc5dad1794d6c81
SHA1 caf28a8c2e709486d4d8e2c245bb7ca65735a48e
SHA512 25914601013a4195d17ce78ab76a717b964b5a103e6b88dd7815693f468b80fa4804c98ece0968c7d8a306dc58bee92277c54d04936ad85a7d95f8453a55e630
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmtBUPN2Rp8JicBVyDK:uTQWckBeEd6ml1pcg79UP4EJPkb4DD
TLSH
T1B67296355BE41D73E3FBC7B595FBC1D6A834742B3B03592E54891B882823B11EC60BA9
MD5 SHA1 SHA512 SSDEEP TLSH

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