waski | 3aabe5f0c345ae2b33b71fc60190124b88eb3a9c20972ac71a6a6236be34c031

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 03:48

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General

Target
2026-08-01_f53a569d3c6614cce6976ae8ad629bae_elex_wannacry.exe
Size 35KB
Sample260802-ecttxscq4y
SHA256 3aabe5f0c345ae2b33b71fc60190124b88eb3a9c20972ac71a6a6236be34c031
MD5 f53a569d3c6614cce6976ae8ad629bae
SHA1 6b6ccb3f5669eda4c7b1cc2e68a5a16039d3e779
SHA512 fd5dc12cbbaecdd5d3ce69212d3659d1aebf7fbdf97a05d3a1d3236a100faeba8f0fa826ef56465aa2da8c0f05fbbf8fc59d67760cc80f2f92fda3494a5e8e75
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wy:cc3ji6kgi1Bc7sR584jfWy
TLSH
T1B7F2AD386EE91972D3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000600000001b85f-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3084	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	2026-08-01_f53a569d3c6614cce6976ae8ad629bae_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 4060 wrote to memory of 3084	4060	2026-08-01_f53a569d3c6614cce6976ae8ad629bae_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_f53a569d3c6614cce6976ae8ad629bae_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_f53a569d3c6614cce6976ae8ad629bae_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4060
- 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:3084

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 35KB
SHA256 3ab7dc63726492a57223d234761998a6b8735201df2870d23705a86871d4c679
MD5 0edf993d8f1fe11797476e269902dde7
SHA1 716e1295fb9c0e8bbe07bc7eadedf07f9ebf994f
SHA512 2a69ec56b93cd482aad3d635dbc9c62f0894d17964f933ddeccdf9598299ab51e234e873b310413edd2cb554eca6cdda6ce8a055790eecd1135dba701dbebca1
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52WY5:cc3ji6kgi1Bc7sR584jfWs
TLSH
T1FBF2AE386EE91972D3BBDBB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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