waski | f51d836c974a2538d1b0f9925bb2b001a9fec0ec22a7b06f7e364614ee5f54ce

Analysis

max time kernel
148s
max time network
148s
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, 12:29

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General

Target
2026-08-20_71fda627bd6635e85043a3644232a9d4_elex_wannacry.exe
Size 21KB
Sample260820-ppcfhsxbjc
SHA256 f51d836c974a2538d1b0f9925bb2b001a9fec0ec22a7b06f7e364614ee5f54ce
MD5 71fda627bd6635e85043a3644232a9d4
SHA1 335672320ff7ec7e56f5f04f4731ca0c5fb93c54
SHA512 0dea2ba5590de3dd12e107d3edf89d926fdb83a5769a2d673bec09f4309deeb256c904cce679443fc65bb6462083e2cf8aba5de5208c16d97a89eed8fc148689
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnBYCkTMBd3r:vLoZWN6GGBZ2BbwEoP/NsBYCkTk
TLSH
T1D8A252395FD15AB7F3B7CAB685F796C6AD31B4A3B9020A0DD08603458C23B12ED81D6D
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/0x000600000001b850-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3204	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_71fda627bd6635e85043a3644232a9d4_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 5396 wrote to memory of 3204	5396	2026-08-20_71fda627bd6635e85043a3644232a9d4_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_71fda627bd6635e85043a3644232a9d4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_71fda627bd6635e85043a3644232a9d4_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5396
- 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:3204

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

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Downloads

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 22KB
SHA256 a99ace78d2b2980fc67899b4636d46916cc0ad8791d62d7228d5c520491afcd0
MD5 f22ac27ccab006763459213393fbaa8c
SHA1 2be94014c491075e8b0ffafd894f30e8739bafe3
SHA512 628a3715477a28ef0db1fa55f761c96fb019f7fb3fa4576708df79673fe9b76e1c7e4f721081f222a90d53141a5fdae569fe746e4f5d187716ca1cb306fd9e6c
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnBYCkTMBd3P:vLoZWN6GGBZ2BbwEoP/NsBYCkTg
TLSH
T18AA252395FD15AB7F3B7CAB685F796C6AD31B4A3B9020A0DD08603454C23B12ED81E6D
MD5 SHA1 SHA512 SSDEEP TLSH

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