waski | b4197c222b8bd894d279ed975d1e02b131cad899c8b6f0d3c7c3b9daffd8026b

Analysis

max time kernel
149s
max time network
134s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
09/06/2026, 04:56

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General

Target
2026-06-09_944b9c33ab5601fa782351da7786d84b_elex_wannacry.exe
Size 30KB
Sample260609-fktdssc19l
SHA256 b4197c222b8bd894d279ed975d1e02b131cad899c8b6f0d3c7c3b9daffd8026b
MD5 944b9c33ab5601fa782351da7786d84b
SHA1 1ec5ef59690aa503a36ffb676ec7bc0ac304afef
SHA512 e077af6b5508a7b4ac721eea1a2e85b922705f9503894981925e2bb3097009dd458af2c2ebb48f06fed4a17006f937f50aa1f7c05c2b71c295262d30ce69b688
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIN:uTKWckBeEd6ml1pcg7eMUUz623
TLSH
T18DE283396BE45D73E3BBD7B586F7C1C6A975702A2E03992E80851B841C33A11DCA0F8D
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/0x000b00000002ace1-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3176	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	2026-06-09_944b9c33ab5601fa782351da7786d84b_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 1680 wrote to memory of 3176	1680	2026-06-09_944b9c33ab5601fa782351da7786d84b_elex_wannacry.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-06-09_944b9c33ab5601fa782351da7786d84b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-09_944b9c33ab5601fa782351da7786d84b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- 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:3176

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 30KB
SHA256 16b352ede626e1d10da78c19a7c49219a895b2ee5b4991c783b50cdc2af5c375
MD5 e252ea80ec154b4f3cc3e1f8f290490f
SHA1 e02d4a849b7267465aadf9f1c78cbcd343636d04
SHA512 7b32877eb01635fa6133c655a9434e515b44c813a31211609439671e75b4069823653156c8f514b96ec87c6d4c03db4fef8632fb27a6e37a0b80ac5f46a3adda
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIk:uTKWckBeEd6ml1pcg7eMUUz62mN
TLSH
T119E283396BE45D73E3BBD7B586F7C1C6A975702A2E03992E80851B841823A11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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