waski | a3213ccba4ce1470a478fb4d07e489122e6652c5a582c8a443c0aea9775902cc

Analysis

max time kernel
148s
max time network
145s
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, 09:08

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General

Target
2026-08-22_45f19898dc6c4b19bdb804f4aed9148a_elex_wannacry.exe
Size 35KB
Sample260823-k319kshg97
SHA256 a3213ccba4ce1470a478fb4d07e489122e6652c5a582c8a443c0aea9775902cc
MD5 45f19898dc6c4b19bdb804f4aed9148a
SHA1 55a7e544e84f1c6215ad12b749b644226767b180
SHA512 acf9c52d17f0bf95eafd450cbf60b283ca7c6fde79f9a67356a06c9d3d714e30f532f9e977f613a2eb8795cc799f76823a40e8ebbbe6d5ffc280b59b97f03aba
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wh:cc3ji6kgi1Bc7sR584jfWh
TLSH
T158F2AF386EE91972D3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000a00000001136f-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3592	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	2026-08-22_45f19898dc6c4b19bdb804f4aed9148a_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 3524 wrote to memory of 3592	3524	2026-08-22_45f19898dc6c4b19bdb804f4aed9148a_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-22_45f19898dc6c4b19bdb804f4aed9148a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_45f19898dc6c4b19bdb804f4aed9148a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- 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:3592

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 25631c40f1a480ef8b258c52607c03d1b8364b153899105663d662b30a8193a9
MD5 e49e2817e3f3c0bdc4facf6c4da66cbf
SHA1 e7a990bf1d6ac7510f4cf8b89e71ce6dcba436dc
SHA512 f25bb50ece464761ab3165bc47c3c2d7b4ff62a5a4c9fa11a97cf4528018ec695b99b7cf34eca3ad4227a4d5aa459e897d82e1bb9a1c1ae4eb5851ffce642157
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52W01:cc3ji6kgi1Bc7sR584jfWS
TLSH
T12FF2AF386EE91972E3BBDBB5C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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