waski | dcd04b5d4830811646f5ce16efb7270074a0dd05e10858b92b2c521964e7d7c3

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/07/2026, 11:20

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General

Target
2026-07-19_f6ebe4a6f96d3c00af4e783b171846e5_elex_wannacry.exe
Size 32KB
Sample260719-nfmpfscw2x
SHA256 dcd04b5d4830811646f5ce16efb7270074a0dd05e10858b92b2c521964e7d7c3
MD5 f6ebe4a6f96d3c00af4e783b171846e5
SHA1 72bc16a36142e665e13a5dd4bf539b896b98ff62
SHA512 38763f888eeee953278426b6de0fa7d5073569abf36e7c150da175241f4a3388067dc9cd7b61ffb8bbb82111ce79fde7754847ccd37e8800a4b7a2ed9f151c08
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIO:uTKWckBeEd6ml1pcg7eMUUz62xK
TLSH
T1A9E261346BE51D73E3BBDBB586F7C1C66975B42A2E03991D80851B841833B11DCB0F9A
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
2292	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	2026-07-19_f6ebe4a6f96d3c00af4e783b171846e5_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 4428 wrote to memory of 2292	4428	2026-07-19_f6ebe4a6f96d3c00af4e783b171846e5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-19_f6ebe4a6f96d3c00af4e783b171846e5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_f6ebe4a6f96d3c00af4e783b171846e5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4428
- 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:2292

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 32KB
SHA256 b49fb9bb3a1c00214c7ee0019e6220fdaa7efdd39827d81398d6ac7f3110255e
MD5 ec4df4cf2ea08323a1c965fac802e1d1
SHA1 bce9cac5d1892f47682960f3342fc2391d9f1de6
SHA512 2d72f00699b45d5e1b6dbcd5901626515bc3e81603c7be74995765ca87a97689e5b966cfac1dbaa46324840478debf4da19580a46e8891b9467ecd9d3cf858e3
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIM:uTKWckBeEd6ml1pcg7eMUUz62xQ
TLSH
T13DE261386BE51D73E3BBDBB586F7C1C66975B42A2E03991D80851B841833A11DCB0F9A
MD5 SHA1 SHA512 SSDEEP TLSH

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