waski | 56a2f0a50917f92a9b42ee719f1a2cfb3ae819afd075a12c90d81d32b859e86e

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/09/2026, 00:50

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General

Target
2026-09-01_f310b6f02584235a3c93f225f919bbf5_elex_wannacry.exe
Size 28KB
Sample260902-a7dnza1aqa
SHA256 56a2f0a50917f92a9b42ee719f1a2cfb3ae819afd075a12c90d81d32b859e86e
MD5 f310b6f02584235a3c93f225f919bbf5
SHA1 06963a854642955fb0e67f9e57e65a982cdc7a9b
SHA512 b8b78441ca782d038d1dd99f9fc1344bf00694fcf442dcbdb31bf73647224a688eb1733d38f949e7ad86d4e6b67aa373cd609986235dbd9ce7b5c92ce492a3fe
SSDEEP 768:uxckEEd62J7F3Gih1uTRTUzT81V3/QoGqKtIvpOr2o:cc3jiF2ihRGV34bOgr2o
TLSH
T1DDD2DF395FD41972E3BBDABA85F695C6AC35B0233E02981E408707850C23F56EDA1B5E
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/0x000b000000016cdf-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4156	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	2026-09-01_f310b6f02584235a3c93f225f919bbf5_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 1404 wrote to memory of 4156	1404	2026-09-01_f310b6f02584235a3c93f225f919bbf5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-01_f310b6f02584235a3c93f225f919bbf5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-01_f310b6f02584235a3c93f225f919bbf5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1404
- 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:4156

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 28KB
SHA256 558eb8a8239a57a16ee567b4f7f4b94a89979c3bb725354484b9c76d111b0694
MD5 a204403b64e6e597b57025964535bec1
SHA1 51e12ec9aa519e937f0daac34e84a3c0769839c6
SHA512 0fd038b345310f488d1c8274061a2afc3c64e75f01dea438d960b17a96a4be026596383bdf95492446aff9803f822c03c64057dbb35d425ede5e006f6b110ad5
SSDEEP 768:uxckEEd62J7F3Gih1uTRTUzT81V3/QoGqKtIvpOr2H:cc3jiF2ihRGV34bOgr2H
TLSH
T13CD2DF396FD41972E3BBDAB685F695C6AC35B0333E02981E408707850C23F56EDA1B5E
MD5 SHA1 SHA512 SSDEEP TLSH

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