waski | df51b19e2dbac96fcecb489a68af1cd53ba16859124446b526f862b23a3c25b7

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
09/08/2026, 00:21

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General

Target
2026-08-08_1e95e45e19e5e3d5c9fbca58e01d1789_elex_wannacry.exe
Size 29KB
Sample260809-ankceaxbpd
SHA256 df51b19e2dbac96fcecb489a68af1cd53ba16859124446b526f862b23a3c25b7
MD5 1e95e45e19e5e3d5c9fbca58e01d1789
SHA1 54c1db76e3135dbe098b36cfbc992f81bd53a9ce
SHA512 8d34fb98c27b25aa4a0b21f52d56e138bf8c3b687f8b639ea340f24188202626db1061cb5fd16a6fbb26dd8dcd09b7cb3159e9c5cd575e3cbfdafe10aa3b7c55
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5n4:cc3ji6kgi1Bc7sR54
TLSH
T1AAD2DD385EE51972D3BBDABAC5F691C6B935B4273E03590E408607840C23F26EDA1B5E
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/0x000d00000001b89b-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5464	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	2026-08-08_1e95e45e19e5e3d5c9fbca58e01d1789_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 2696 wrote to memory of 5464	2696	2026-08-08_1e95e45e19e5e3d5c9fbca58e01d1789_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_1e95e45e19e5e3d5c9fbca58e01d1789_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_1e95e45e19e5e3d5c9fbca58e01d1789_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:5464

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 29KB
SHA256 13dcf5a1f224c2881d594a7c032eb81af16fde6b191bdc26ad89ed4c5f2f346b
MD5 859c3c47e7f7c1b17409acf1ee66fde1
SHA1 bba9543c8f65cd60066fede205705937cbad3080
SHA512 c7205785e432c1b876ec3afc6d03b5f2870cb2824cc5da2b40608d9769853caa96251a7e3af6dc3320c7117ac2c24955cd706d3e5d516b8d7fe2016c304d4863
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nw:cc3ji6kgi1Bc7sR5w
TLSH
T11CD2DD385EE51972D3BBDABAC5F691C6B935B4273D035D0E408607840C23F26EDA1B5E
MD5 SHA1 SHA512 SSDEEP TLSH

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