waski | 330dd30a37902296220f2eec67323a17318dee1cfe4fecf698439128be4b59d7

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
20/08/2026, 01:14

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General

Target
2026-08-20_1b564e733963018c4be5e900dd13c037_elex_wannacry.exe
Size 17KB
Sample260820-bl6cjaag59
SHA256 330dd30a37902296220f2eec67323a17318dee1cfe4fecf698439128be4b59d7
MD5 1b564e733963018c4be5e900dd13c037
SHA1 6287544541ec485b27531ef728613c16560c3944
SHA512 33f9bab839926351a3ef4ca2c3117fd6f4bff057d4156e28427c0f336f37748b1d96976ca57bcaed49ca894537015d95045dbb9cca60ff714d87e3f98385b8c3
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwmX1C:vLoZWN6GGBZ2Bbwms
TLSH
T1208274385FD28EB6F373CAB284F7D7D6AA31F1A3F4130A0DD58507068913642A845DAD
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/0x000b000000019cb8-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4036	operaupdater.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_1b564e733963018c4be5e900dd13c037_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	operaupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 4036	3980	2026-08-20_1b564e733963018c4be5e900dd13c037_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-20_1b564e733963018c4be5e900dd13c037_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_1b564e733963018c4be5e900dd13c037_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\operaupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4036

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

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 18KB
SHA256 5cc8866bc02a72b77f0f037b1a47433dadeb00557b7e111a6aeb0a74ac5201c8
MD5 e0391004c2612e3be7f97ca8167c7c29
SHA1 1a176e09b877e62d905aaac008ffc5bbc9c49155
SHA512 018b639f0470db354f78a976332f80e118b3d6052be437d7b606368e1e128929dc702e6c86ec97dfa6e1fed55385aa3c49c9258a9c80edb47bad6e390394c7c2
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwmX1p:vLoZWN6GGBZ2BbwmT
TLSH
T1B48273385FD28EB6F373CAB284F7D7D6AA31F5A3F4130A0DD58507068913642A845DAD
MD5 SHA1 SHA512 SSDEEP TLSH

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