waski | e37ad6ace67d808ec7ece16e0441a794c9dc0679ac6bede451f3c05828588198

Analysis

max time kernel
150s
max time network
126s
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, 13:45

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General

Target
2026-08-02_c0911b3f24dc71733a53620ee698d113_elex_wannacry.exe
Size 32KB
Sample260802-q2jwsstfqd
SHA256 e37ad6ace67d808ec7ece16e0441a794c9dc0679ac6bede451f3c05828588198
MD5 c0911b3f24dc71733a53620ee698d113
SHA1 71b287f7be835db4772a0cad66e926a7f6e76798
SHA512 eae77d7f7664ee39c9f00098962e8cf5adbcd860f9d41f17499fc865a4474d133ea705f069fcd530669bca3cbed4ce288118f95de62ad8dde120d8ae6d4e4986
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsI9:uTKWckBeEd6ml1pcg7eMUUz62TAho
TLSH
T1A3E262346BE45D73E3BBDBB586F7C1C5A975B42A2E03992E80451B841833B11DCA0F9D
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/0x000600000001b85f-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4088	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	2026-08-02_c0911b3f24dc71733a53620ee698d113_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 1160 wrote to memory of 4088	1160	2026-08-02_c0911b3f24dc71733a53620ee698d113_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_c0911b3f24dc71733a53620ee698d113_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_c0911b3f24dc71733a53620ee698d113_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1160
- 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:4088

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 32KB
SHA256 f2a76712ca48c936cd02c48ba02514edaca2040161060493d02d16fdd220b63b
MD5 8b78c714c0261e4399610101699897bc
SHA1 f2fe44667c9d6f7442ddbe418cc6baa8871311bc
SHA512 922d7c35d7cb778ebdbc716eb2bfec7a6079c51e83846ec374a9a1481fa848f5f05c548dac3815f173160b2456d7e989faa149eb8cfb7a8541e4e62c53a2dcee
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIJ:uTKWckBeEd6ml1pcg7eMUUz62TAh+5
TLSH
T17EE261346BE45D73E3BBDBB586F7C1C5A975B4262E03991E80851B841833B11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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