waski | 58f70d88d6912cfa398d9c66c48a8ccd1405d5b2bff8c329100ed4d4ba67d058

Analysis

max time kernel
148s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 01:40

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General

Target
2026-08-21_927a59f291615aef195ba3068999dd48_elex_wannacry.exe
Size 20KB
Sample260821-b3m8aatyft
SHA256 58f70d88d6912cfa398d9c66c48a8ccd1405d5b2bff8c329100ed4d4ba67d058
MD5 927a59f291615aef195ba3068999dd48
SHA1 a6c8dc4bb1f27c1f3902e40507646131a0099a61
SHA512 63f49e4936157753ca104ef4330951e3ae58b08d598f7467b644e044b5f2c6d9ed7830932948ddac7d99b82681b4faf458d5c3414a593b10770acf07b6207148
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnBY0amvqL:vLoZWN6GGBZ2BbwEoP/NsBY7L
TLSH
T18BA253395FD54AB6F3B3CAB685F796D6E931F4A3B4020A0DD08607058823B52ED81D6D
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/0x000a000000019cb8-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3680	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	2026-08-21_927a59f291615aef195ba3068999dd48_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 1032 wrote to memory of 3680	1032	2026-08-21_927a59f291615aef195ba3068999dd48_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-21_927a59f291615aef195ba3068999dd48_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_927a59f291615aef195ba3068999dd48_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032
- 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:3680

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 20KB
SHA256 3f870dee2287b48bd58e02902f24695ab098d10044ed20f38c73245f61e68c16
MD5 bb1ce6d5f2ba670bd9c013c4bc51770b
SHA1 78597f5c63849adabce7b730dbbcde893f7deb3d
SHA512 0ab27c723348b6fa92c819f8c715ed2a441aabc34d0fde6ec59e4e48eda1a788b97d5bb0361e6c9c02a06a749efe757d0be3964358535302e4642569e073d9b5
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnBY0amvqj:vLoZWN6GGBZ2BbwEoP/NsBY7j
TLSH
T105A253395FD54AB6F3B3CAB685F796D6E931F4A3B8020A0DD08607058C23B52ED81D6D
MD5 SHA1 SHA512 SSDEEP TLSH

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