waski | 197e4b2fdad6ddc08ce0237c091f38fa07c222e27ea1f228fc8765b27d7169a7

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/08/2026, 23:22

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General

Target
2026-08-18_8e26573a7b1cfc0b09f5ead80e8aab8b_elex_wannacry.exe
Size 35KB
Sample260818-3cypwaserd
SHA256 197e4b2fdad6ddc08ce0237c091f38fa07c222e27ea1f228fc8765b27d7169a7
MD5 8e26573a7b1cfc0b09f5ead80e8aab8b
SHA1 d6edcb6bae43b4febb1062a779066b3d638cc0d3
SHA512 e1a85e838909146ece90a5d3418161d5360ea519fc805811289f166362a78e1e7d3f78ddebd2797f15e7022b2257ba3b87c409f00de1a0e94a75010d51992431
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wk:cc3ji6kgi1Bc7sR584jfWk
TLSH
T186F2AE3C6EE91972D3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000a000000019cb8-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3680	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	2026-08-18_8e26573a7b1cfc0b09f5ead80e8aab8b_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 4848 wrote to memory of 3680	4848	2026-08-18_8e26573a7b1cfc0b09f5ead80e8aab8b_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-18_8e26573a7b1cfc0b09f5ead80e8aab8b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_8e26573a7b1cfc0b09f5ead80e8aab8b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4848
- 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:3680

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 36KB
SHA256 78eb4905b24f3472daf1fc994cbdd57009b3e86aa950a6fe749680dbf837dc0b
MD5 5e10382c04e9aeb85916bd2767ff5f1a
SHA1 03ad6515c58e76a0829fc4bf8a5df167f878a28b
SHA512 4a6a6b0d6e0dc37cab9051cd5c91bc57a68796ed46d8fde094549e760e9468705afc1e6b0d4ae4d69a3e71363b34c3b72d320d67b8ce7509777830587f05ca35
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52WR:cc3ji6kgi1Bc7sR584jfWR
TLSH
T1A4F2AE3C6EE91972D3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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