waski | 5859750150660234a27226c312870227c47b84e51d3f7a20ebb7217892f4f6bb

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/08/2026, 16:37

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General

Target
2026-08-31_9de18812fa2b8cfa880d5469014614bd_elex_wannacry.exe
Size 17KB
Sample260831-t45stswerc
SHA256 5859750150660234a27226c312870227c47b84e51d3f7a20ebb7217892f4f6bb
MD5 9de18812fa2b8cfa880d5469014614bd
SHA1 585bf3e9c5495489ccc31b0aabd3273b4b5f1cf2
SHA512 79d2f9b59e941ad31e56432e43c66ea76f76e072bfc03624e322a3d16b05d956ad49c96bea7cd11b3e759d72ceab82f181a368d075ff4b30f196261941385944
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGih1uTcYTPAj6:uTQWckBeEd6ml1pcg7F3Gih1uTRTn
TLSH
T1F982B5316BE50D72E3FBD7B545FBC2C69834B43B6B035A2E80451B892C23A10DC60F99
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/0x000b00000001136a-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4952	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	2026-08-31_9de18812fa2b8cfa880d5469014614bd_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 3520 wrote to memory of 4952	3520	2026-08-31_9de18812fa2b8cfa880d5469014614bd_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-31_9de18812fa2b8cfa880d5469014614bd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-31_9de18812fa2b8cfa880d5469014614bd_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520
- 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:4952

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 17KB
SHA256 3feea22b29e53d251dbce2d92fe23d760758bdb94a17db7ec2fe4fdf9b999a92
MD5 1f2b2eceb42279ed6e35e6070d5e00f5
SHA1 0738b0251b993325f1735018e309e734ec97ba17
SHA512 6b27998d4aa4a188a8c93aea20122d0e05011c3adb20dca31cdab776b1c30958ba13a68b03650d48aa45f8948d50e6268c642763d3f98f7a24e1154d530a82b6
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGih1uTcYTPAjl:uTQWckBeEd6ml1pcg7F3Gih1uTRTc
TLSH
T16282B5356BE50DB2E3FBD7B595FBC1C69874B43B6B035A2E80451B892C23A10DC60F99
MD5 SHA1 SHA512 SSDEEP TLSH

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