waski | 1296c3ca405e2cfd1c6cd2cb6a887c565b6b0e724fb01a35fe1fded542111909

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 06:46

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General

Target
2026-08-20_c8727933537a6bcdc8a17b5a64fb6838_elex_wannacry.exe
Size 24KB
Sample260820-hj5fsa1fqa
SHA256 1296c3ca405e2cfd1c6cd2cb6a887c565b6b0e724fb01a35fe1fded542111909
MD5 c8727933537a6bcdc8a17b5a64fb6838
SHA1 f3be1824c1751040c6ad233b0dcde4187e72ec6f
SHA512 fdaec7acac3fe3ba19770ad038f7858b013ffabe4f03c1383cd15ae11d8abf12ad9f3034293dbb170988045866ff84242776748bbefbe3a45d92c22b22ebdc69
SSDEEP 384:j4nBHA7f46l1JcV4rAAAAAraIqh2Y7tWHlDrA2v+kQcW4W:jQxA7RzcYcHlDrA+VQcW4W
TLSH
T1CBB2EA3D5EE45572E3BBCAB985F655C7BE31B4637D02980E808A43844C23F26EDA171E
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/0x000700000001b7f6-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5028	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	2026-08-20_c8727933537a6bcdc8a17b5a64fb6838_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 2672 wrote to memory of 5028	2672	2026-08-20_c8727933537a6bcdc8a17b5a64fb6838_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_c8727933537a6bcdc8a17b5a64fb6838_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_c8727933537a6bcdc8a17b5a64fb6838_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- 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:5028

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 25KB
SHA256 f04db20b10fc4680d98f71b0f6ebdad8ee4d91945f69d53088ea23a81947806e
MD5 f5c46303f318eb5c29bcb998db8c3c2d
SHA1 908885708418f395f5f63937a17e6938462c6560
SHA512 d8ec2f901084020234a1e35c8d57cf0f5a0523e058c585b11c992e3577dfaf5c2942257263c08988f2c5e54ad0f72eda1a5cfdc3dd1d4115b274fdf7fe56726c
SSDEEP 384:j4nBHA7f46l1JcV4rAAAAAraIqh2Y7tWHlDrA2v+kQcW4V4:jQxA7RzcYcHlDrA+VQcW4m
TLSH
T16DC2EA3D5EE45572E3BBCAB985F655C7BE31B4637D02980E808A43844C23F22EDA171E
MD5 SHA1 SHA512 SSDEEP TLSH

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