waski | 408f954e69f5832ddd1af80ab9ca335313d421fc4299198bd56879f53a22166d

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/09/2026, 02:22

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General

Target
2026-09-07_499000b838f44128ab4827636a4eae69_elex_wannacry.exe
Size 22KB
Sample260909-ctm2la1amh
SHA256 408f954e69f5832ddd1af80ab9ca335313d421fc4299198bd56879f53a22166d
MD5 499000b838f44128ab4827636a4eae69
SHA1 242a170d866c91672c5d3b33e972b4e2e37df253
SHA512 b5508b18bda92d0c57a58a4ce433c7a495dd89375c32f099122eeaa166cb4d5d5d2fc7f43635efab248155c08fad0d8e28757f722ab9f806bc3f201993d99318
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTcljilermJiMiA2ITs/:uxckEEd62J7F3Gih1uTRTcljilViM8IY
TLSH
T1FDA221395FE419B3E3B7D6BAC5F685C6AC34B4373A02591E408607891C23F12EDA1B9D
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/0x000a000000019c8f-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4880	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	2026-09-07_499000b838f44128ab4827636a4eae69_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 1052 wrote to memory of 4880	1052	2026-09-07_499000b838f44128ab4827636a4eae69_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-07_499000b838f44128ab4827636a4eae69_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-07_499000b838f44128ab4827636a4eae69_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052
- 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:4880

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 22KB
SHA256 960e30f971e955a85d0e20362a9d34def6039e76076d0dfd17b3fa5b13918d11
MD5 8db000ac72f5aa38cf489e6b1ec18901
SHA1 2932f0f119f78d5e21986576c1f81d799bde7982
SHA512 e5850d83e20cb6fda29165dc3afb654a1ba53e31ad392bd4cc2d41505d0224a6113e1908e9ecfa36d20981dd2ef79c7bf1254ebbfd796b8875196cce009ccdff
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTcljilermJiMiA2ITsL:uxckEEd62J7F3Gih1uTRTcljilViM8I8
TLSH
T19CA221395FE419B3E3BBD6BAC5F685C6AC3474373A02591E408607891C23F12EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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