waski | 7432caf1bda5e206b532b3c584fed3cc58212a745c2f5058f980732f5b73e2dd

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 04:16

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General

Target
2026-08-01_42a4a2f64014ef045408b585854e886d_elex_wannacry.exe
Size 35KB
Sample260802-evs1cas1cv
SHA256 7432caf1bda5e206b532b3c584fed3cc58212a745c2f5058f980732f5b73e2dd
MD5 42a4a2f64014ef045408b585854e886d
SHA1 e20ef259421aeff44c26cc547b81d67a260fb0ca
SHA512 7d28bc75b15f9cbe4aed3b7d5cf39ea4e480b6eb883ab8bffd717cde64f2e3868e7d1383c14014817be5dce2e1bfbf1052bc610b63951445d85fff1defea9915
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52WO:cc3ji6kgi1Bc7sR584jfWO
TLSH
T18CF2AD3C6EE91972D3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000800000001b871-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4672	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	2026-08-01_42a4a2f64014ef045408b585854e886d_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 3536 wrote to memory of 4672	3536	2026-08-01_42a4a2f64014ef045408b585854e886d_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-01_42a4a2f64014ef045408b585854e886d_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_42a4a2f64014ef045408b585854e886d_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536
- 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:4672

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 35KB
SHA256 49a6d5a341b3db80346d07474ce97fd9d1b0dc3957208d52bd24780b502fd82d
MD5 75ab53d9b15404657eb9cf8d5db69633
SHA1 c734db5a4be980f0483bf59bbd58fbc1008467c3
SHA512 ef6005f781515507fad6b4037c8d522d332f970661508a883962a2ac3892d9fa7110353e516a8e0f2268e2791fa31cd1b142800f5af49779041fb6b0abbdc8ef
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52WI:cc3ji6kgi1Bc7sR584jfWI
TLSH
T1D7F2AD3C6EE91972D3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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