waski | 771bce559bbee51b62c57975a7ce9df1f566e2bd2742b42db91eb1e994f242c6

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
25/08/2026, 17:30

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General

Target
2026-08-24_202653eab559fdae6021bb9fc06dfd33_elex_wannacry.exe
Size 19KB
Sample260825-v3eexstsey
SHA256 771bce559bbee51b62c57975a7ce9df1f566e2bd2742b42db91eb1e994f242c6
MD5 202653eab559fdae6021bb9fc06dfd33
SHA1 591c1dc00c8307bc0336a31f7c47d0aa7a3ceec1
SHA512 d737d6763d52d4c5946e19a3637c2241bc64d3855e609da3b9cb7c34a86ae01e89dcc40a41226b8b8b32fb77521020f5daf3e364e3756e35dd735f8bcc9f04b6
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2RdBBa:uxckEEd62J7F3Gih1uTRTF+qI
TLSH
T19B9263355BE40DB2E3FBC6B645F7C5C6A835B43B3A03992E80451B892C23F11DDA1B99
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
3304	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	2026-08-24_202653eab559fdae6021bb9fc06dfd33_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 2968 wrote to memory of 3304	2968	2026-08-24_202653eab559fdae6021bb9fc06dfd33_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-24_202653eab559fdae6021bb9fc06dfd33_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_202653eab559fdae6021bb9fc06dfd33_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:3304

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 19KB
SHA256 8818bac993eeec3175f123d35c1f4424bf76d07af95e54c061041a8bca179f29
MD5 3d940a68d4a7e54680ea08f38e3091e5
SHA1 01924edd154b306bfcd6bcabe464f821f85ea60b
SHA512 4ca249b9d9f15185ae72fdc83d828c0768ca94619245cc0e3f08053551a30c96a765f133758342314f121f9c12453dcce52ca2e237d00aac13db9ab4f4428bde
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2RdBBo:uxckEEd62J7F3Gih1uTRTF+q6
TLSH
T1179263395BE40DB2E3FBD6B645F7C1C6A835B43B3A03991E80451B891C23F11EDA1B99
MD5 SHA1 SHA512 SSDEEP TLSH

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