waski | bd157d417b6e77de6eb8501eae633ea831de775eb28428cf87447fdfc9997e1c

Analysis

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

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
31/05/2026, 08:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-05-31_4b6210d43c5a5c734e7f93dec5f171e0_elex_wannacry.exe
Size 16KB
Sample260531-kffdlac16x
SHA256 bd157d417b6e77de6eb8501eae633ea831de775eb28428cf87447fdfc9997e1c
MD5 4b6210d43c5a5c734e7f93dec5f171e0
SHA1 03d33a776d812caec6a9f4b612816e3ef198cdbe
SHA512 30af7a814e7c99c669de4138bba6836b74da941247d80ffdd4f82fc35853a43ff4e29bdf6e1fcc3b4ab3d8561ca2a7c53632afe31111638fa27fa461eea43010
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL1:uTQWckBeEd6ml1pcg7F3GiElpk
TLSH
T13172C6356BD45C73E3BBD3B195FBC1D6A935702F3B03593E90492B893923A119CA0A8D
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/0x000600000000d34a-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4212	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	2026-05-31_4b6210d43c5a5c734e7f93dec5f171e0_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 2156 wrote to memory of 4212	2156	2026-05-31_4b6210d43c5a5c734e7f93dec5f171e0_elex_wannacry.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-31_4b6210d43c5a5c734e7f93dec5f171e0_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-31_4b6210d43c5a5c734e7f93dec5f171e0_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- 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:4212

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

Loading Replay Monitor...

Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 16KB
SHA256 81c25ade6b0cc134131b300d618f812490e73763fa0c5fc4039dae2bc0badd43
MD5 2ddb79c0baf9d05a1e683af1bbd4c3be
SHA1 6c02d34a00894245104c8c796832128bd5655856
SHA512 420ba0190df449ba73caf378a70863b94e295ad2f1a81eff91a39756d976c997593f9ae672b7d16cbed798ee82da28f7e4c90f8406f4eada1b563a2897b7915b
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nLOh:uTQWckBeEd6ml1pcg7F3GiElp1
TLSH
T13C72D6356BD45C73E3BBD3B195FBC1C6A975702F3B03593E90492B892823A109CA0A8D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download