waski | 5a88d026cd0777e8bc69613c4a4df48fca060d8a97a4e32fbe074ee23453c750

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
05/05/2026, 22:45

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General

Target
2026-05-05_820f0ab83c2a4ddca9ee733ffbb7f1f2_elex_wannacry.exe
Size 15KB
Sample260505-2pte9af151
SHA256 5a88d026cd0777e8bc69613c4a4df48fca060d8a97a4e32fbe074ee23453c750
MD5 820f0ab83c2a4ddca9ee733ffbb7f1f2
SHA1 55ee0ce0a0a2ed32135f0a8d4e9a8bdf577b445d
SHA512 f8fb201426fd359255a6b6127da8ba43f7a63b2d448435b9ba93dd1455f02aef2e14f4be79b519471432587cc7173b614d1deebe07885b2d4644ca05c19924ab
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCsC2a:uTQWckBeEd6ml1pcg7F3GiElpoa
TLSH
T16562D8366BD44C73E3FBD3B195FBC19A6925702F67035A3F94482F8939236119C60A89
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/0x002300000002b1f9-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3828	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	2026-05-05_820f0ab83c2a4ddca9ee733ffbb7f1f2_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 3300 wrote to memory of 3828	3300	2026-05-05_820f0ab83c2a4ddca9ee733ffbb7f1f2_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-05_820f0ab83c2a4ddca9ee733ffbb7f1f2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-05_820f0ab83c2a4ddca9ee733ffbb7f1f2_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3300
- 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:3828

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 15KB
SHA256 ba1fb8afd68635311d2af15bcc537c607c15a1f453b4ca3c0ee051f7aac24a23
MD5 6945706c23f09bd46ec4b7d84f1f8d9d
SHA1 2ec1bc2add936fcb198b76121edb154ea5f2c0e8
SHA512 ce406dc6a7e86760476c9148fc0b1aab4ddbba1b29c7fb46ba6d4a7cb96b3c50c9f43749b4002f57fe7a44b1a7d88769279b9b45ff62e5b44d6bc81e316ba8f9
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCsC2C:uTQWckBeEd6ml1pcg7F3GiElpoC
TLSH
T12162D8356BD40C73E3FBD3B195FBC19A6865702F67035E3F94482F893923A119C60A89
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3300-8-0x0000000002260000-0x000000000233A000-memory.dmp

Download

memory/3828-18-0x0000000002080000-0x000000000215A000-memory.dmp