waski | b8fb314b8fb262680f437c529032abc1e507e8490b80b353507218f188af87b2

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 11:32

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General

Target
2026-06-04_15ca9f28aaff1ac293e97b0f2a2d64ff_elex_wannacry.exe
Size 15KB
Sample260604-nnbl6aet4p
SHA256 b8fb314b8fb262680f437c529032abc1e507e8490b80b353507218f188af87b2
MD5 15ca9f28aaff1ac293e97b0f2a2d64ff
SHA1 7f956d3cf63932d009c2fe5bbab9195df0625c5f
SHA512 b6f41dab22153c1834f3ceeacab7232b6e7219908906965adbd5214442377fbfed428ffa89b6e20be8e4251474b2a94c28c3b941c0a599e6528ac24be87caaf0
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/Sz:j4nBHA7f46l1JcV4rAAAAAyA/GKc
TLSH
T12162D8265BE489B2F3B78E7486FB9348BA3574C3FC12460ED5589348C923712DC19B6D
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/0x002400000002b367-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3716	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	ieupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-04_15ca9f28aaff1ac293e97b0f2a2d64ff_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 3716	1144	2026-06-04_15ca9f28aaff1ac293e97b0f2a2d64ff_elex_wannacry.exe	82

C:\Users\Admin\AppData\Local\Temp\2026-06-04_15ca9f28aaff1ac293e97b0f2a2d64ff_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-04_15ca9f28aaff1ac293e97b0f2a2d64ff_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1144
- 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:3716

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 15KB
SHA256 a626b776188869e0ec1c5a3f0b89f26f22af52caca5685d76cce647086bd6817
MD5 0e43799793d856537f408dc57bca6331
SHA1 4bad5e1af10266ff3605c2c5f742739f6b8943c7
SHA512 1138dd22dff675e1a5219c5836f54e35a6940c4a586d82ecd8692f3a8e3056dd35150bd04cd1d63dc29d4cbc2549771c2f861a252b42cdac634d958c83693bb8
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/SR:j4nBHA7f46l1JcV4rAAAAAyA/GKq
TLSH
T16262D8265BE489B2F3B78E7486FB9348BA3574C3FC12460ED5989348C923712DC19B6D
MD5 SHA1 SHA512 SSDEEP TLSH

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