waski | a68a556d2418bc5e203e39dddea22debe80e4dd85c5fe05ba409e0d732919f97

Analysis

max time kernel
148s
max time network
163s
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, 16:58

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General

Target
2026-08-20_dc0cfd76fe9d5d951e8f40b689d60995_elex_wannacry.exe
Size 18KB
Sample260820-vgt89a1fnd
SHA256 a68a556d2418bc5e203e39dddea22debe80e4dd85c5fe05ba409e0d732919f97
MD5 dc0cfd76fe9d5d951e8f40b689d60995
SHA1 1a6d61e086806419284864a170f20291ec7c158b
SHA512 6652b07ba2a7885732b6eed95dc916ea81ad4dcb9a0cfd37a72b8a36f980516fec3439d216093b3d3ffa3a632a8b7e640ef0c21c096c90dc45c557605ea86119
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJPk3AKBgI3w6M5:uxckEEd62J798jBk3A6gow6A
TLSH
T1F48275395AD41D73E3FBC7B585F7D1D6B834742B3A03592E50861B892C23B12ECA06AD
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/0x000a000000011390-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4124	codecsupdater.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_dc0cfd76fe9d5d951e8f40b689d60995_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecsupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 4124	4464	2026-08-20_dc0cfd76fe9d5d951e8f40b689d60995_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_dc0cfd76fe9d5d951e8f40b689d60995_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_dc0cfd76fe9d5d951e8f40b689d60995_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4124

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

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 18KB
SHA256 2aad5a768b21cc5f1d055cf2c745d768ea7eac10fd9f97578fe1d792600e3aa0
MD5 7d527a119d480e9037215e19b5061a62
SHA1 9dc778ba3e526144b9e6ee8a14feb11703624194
SHA512 024e25af00f8e381a92e791b43e90988c52e68504690722cf53513426df85cc51c877b8ffca9c468a952b9689c3d0b31d6988482cdf046490c27b4b795968e91
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJPk3AKBgI3w6MD:uxckEEd62J798jBk3A6gow6m
TLSH
T19C8274395AD41D73E3FBC7B585F7D1D6B834742B3A03592E50861B892C23B12ECA06AD
MD5 SHA1 SHA512 SSDEEP TLSH

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