waski | a5e79705ff93e8ec7f4d925b898c065768324aa708dd443727efed97fef4c934

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 04:40

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General

Target
2026-08-05_f325b96d04b121f8684e0457d7527d4c_elex_wannacry.exe
Size 14KB
Sample260805-faq6pade96
SHA256 a5e79705ff93e8ec7f4d925b898c065768324aa708dd443727efed97fef4c934
MD5 f325b96d04b121f8684e0457d7527d4c
SHA1 77b5b523b4cd248effe243a8826685947721fd7a
SHA512 abe4497f939c6d70caaa7fd352ba17cf3a115bb9901560e37714fec36d15fe183646a886a9eb0bb4b7b916e2f4adde1fd53661ea3f87eea8e7ed01f94dda184a
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/e0:j4nBHA7f46l1JcV4rAAAAAyA/GKB
TLSH
T15B62E8265BE489B2F3B68E3485FB935DBA3574C3FC12060ED5589348C933712DC1AA2D
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/0x0011000000019a98-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3504	ieupdater.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	2026-08-05_f325b96d04b121f8684e0457d7527d4c_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ieupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 3504	2984	2026-08-05_f325b96d04b121f8684e0457d7527d4c_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-05_f325b96d04b121f8684e0457d7527d4c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_f325b96d04b121f8684e0457d7527d4c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\ieupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3504

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

ieupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
Size 14KB
SHA256 2181e3be43c996e6afa94e3543c248465fc50f8b35eb1872ac63df75dfaea81d
MD5 390aa7d045567fab867b2abb18e7f024
SHA1 3b5e70a108ffe6eb1e25c20709c14625efd9f4f9
SHA512 5bb444cb27f99218543b0e43976d3244e2d6fd816106f0a30a079b3f317c52ba41581a57cf2dfea3e1a7745ce2c947edb6857f55a59a340c5de59c78e1af2f51
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/ej:j4nBHA7f46l1JcV4rAAAAAyA/GKS
TLSH
T15D62E8265BE489B2F3B68E3486FB9359BA3574C3FC12060ED5989349CD33712DC19A2D
MD5 SHA1 SHA512 SSDEEP TLSH

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