waski | 26dd3ed68d8b79c3e5e68fa0d5ff72356be3e9f3546c2e177364610a504506ed

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 05:42

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General

Target
2026-07-30_490b5c64f591cd75192fc21b90a0ad69_elex_wannacry.exe
Size 32KB
Sample260730-geavyat1bt
SHA256 26dd3ed68d8b79c3e5e68fa0d5ff72356be3e9f3546c2e177364610a504506ed
MD5 490b5c64f591cd75192fc21b90a0ad69
SHA1 f5e2c2de5dbcf89cf2dddc22ba527a1f82dd615f
SHA512 5fa2979b4c6d3050664660378afe6899eaf82fa53f3bb1eb51e30100cc277ef3f07296b89bdd33423efcf82ba1bb42c477ae3b185f680dd8ce666a73a573402d
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIT:uTKWckBeEd6ml1pcg7eMUUz62xP
TLSH
T140E250346BE51D73E3BBDBB586F7C1C66975B42A2E03991E80850B841833A11DCB0F9A
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/0x000b000000019cb8-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4636	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	2026-07-30_490b5c64f591cd75192fc21b90a0ad69_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 3584 wrote to memory of 4636	3584	2026-07-30_490b5c64f591cd75192fc21b90a0ad69_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-30_490b5c64f591cd75192fc21b90a0ad69_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_490b5c64f591cd75192fc21b90a0ad69_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584
- 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:4636

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 33KB
SHA256 c458f82d618a84d24362681be0d9dba910e880907d6d7cd4c84ccb356cc4421e
MD5 c5006958807739d3cf2b4e00abe1f3cb
SHA1 0387ee85b0c3c2693f35e8613e76bf35a5e24e1e
SHA512 e598dd24d97e1e568552e740a23f278ca460987363161ddd42e5eaf363214468d1ab345b59e1d1214ce1bc91ec534346a84bfd104dc67c14d904aeb394b0bf4b
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIM:uTKWckBeEd6ml1pcg7eMUUz62xQ
TLSH
T165E250346BE51D73F3BBDBB586F7C1C66975B4262E03991E80851B841833A11DCB0F9A
MD5 SHA1 SHA512 SSDEEP TLSH

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