waski | 4962aa3a17e579d543aae80569a282d17e65cc8c4c8e996aefe7e75ce15f610a

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
15/08/2026, 03:52

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General

Target
2026-08-15_5b8183319f340045127eee2df6a93487_elex_wannacry.exe
Size 36KB
Sample260815-ee2mjsybrd
SHA256 4962aa3a17e579d543aae80569a282d17e65cc8c4c8e996aefe7e75ce15f610a
MD5 5b8183319f340045127eee2df6a93487
SHA1 8954bf6b98b74b6007525439850a287c2cf59cd0
SHA512 f3a4cff58a2bb5d857e1b2c57e09169fe8cea85ba485ce0858551a61a8cba5281895e9fd988ee35ebf5e1639173a36277e2cf4414ec988d49d30f1969737c3fa
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wfs:cc3ji6kgi1Bc7sR584jfWfs
TLSH
T1B5F2AE3C5EE91972E3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000a00000001b85c-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3840	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	2026-08-15_5b8183319f340045127eee2df6a93487_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 2936 wrote to memory of 3840	2936	2026-08-15_5b8183319f340045127eee2df6a93487_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-15_5b8183319f340045127eee2df6a93487_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_5b8183319f340045127eee2df6a93487_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:3840

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 0ebd54895d2f51ffe8af5f1fdcbe5b411c295fcfd52a1ef80a782d6dc765736f
MD5 94db20692c73bef16ef4befa3ee8c0bc
SHA1 d90f6d45f92732a231ca2def1f67547d714a86f5
SHA512 0452e5618892b6938e06480da942a0fe6a14f12554292df523ad5a44269c8bd58cebf142b80b82f39a54f8042a313ba360ebb4df6d3f8207d43d37088284ecd4
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wf7:cc3ji6kgi1Bc7sR584jfWf7
TLSH
T16BF2AE3C5EE91972E3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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