waski | cc0c731501b83c5579afffaa21c832210d6c226faa31859fc01aaa12abc0ea62

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/07/2026, 07:43

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General

Target
2026-07-05_4fa3f2589c9c8024c14e3abdb37aaaea_elex_wannacry.exe
Size 31KB
Sample260705-jkknfaaz2t
SHA256 cc0c731501b83c5579afffaa21c832210d6c226faa31859fc01aaa12abc0ea62
MD5 4fa3f2589c9c8024c14e3abdb37aaaea
SHA1 5664d9028af4b23191a0a9d346a753cad5fdd100
SHA512 bcce98fee0026522ecb43620ea22a04a0c1dc59b119fe61f7d39f51f8245344f9b84cdbfebdb7cf2c420395d5b83cae1086ab81ed0210e7328d923d8d4dea8d4
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsI9:uTKWckBeEd6ml1pcg7eMUUz62H
TLSH
T1D5E274346BE45D73E3BBDBB586F7C1C5A975742A2E03992E80851B841833B11DCA0F9D
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/0x0010000000019ca2-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
616	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	2026-07-05_4fa3f2589c9c8024c14e3abdb37aaaea_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 1804 wrote to memory of 616	1804	2026-07-05_4fa3f2589c9c8024c14e3abdb37aaaea_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-05_4fa3f2589c9c8024c14e3abdb37aaaea_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-05_4fa3f2589c9c8024c14e3abdb37aaaea_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- 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:616

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 31KB
SHA256 cdfa58bc46a0a619e2cfdce8af0e0061f818b2bdef72ca097251679c633de1f5
MD5 2a55a0fa244177f95dff66bc12c071e3
SHA1 d4d50207e98205122b7df9e62dea0a07fd50926c
SHA512 d1a297f3d92a4bcecf3f1b7af1a5952e6e306a79ee5eb3f45c4ff6fc81727548ae8c430cb465d09a9a27f57c7ca99a65db1d07aeb357b255036a4c7e02a0c51c
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIS:uTKWckBeEd6ml1pcg7eMUUz628
TLSH
T134E263386BE45D73E3BBDBB586F7C1C5A975742A2E03992E80851B841833B11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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