waski | 79293e1a8ab531d373690eb79b29b80c92ba54ab6786c4ed683e8fd7830c5e73

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 14:57

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General

Target
2026-08-20_9e216ef0dce777bf6f5c733bb8a25afc_elex_wannacry.exe
Size 31KB
Sample260820-sbmacasyat
SHA256 79293e1a8ab531d373690eb79b29b80c92ba54ab6786c4ed683e8fd7830c5e73
MD5 9e216ef0dce777bf6f5c733bb8a25afc
SHA1 8512d34eb25b418f3b241ece904a363471bc9dbe
SHA512 472131543b3d7d410caa639e57fc96c278186e35ed08bc85ffe3d5581f9fe7d3a57b6af9849f9f295c45334bb72ab9f3e57884f51e419d30ffedb691c769dcb7
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NUOASsslhtBuEB:yGEWbwbF8sE2
TLSH
T122E20C3D6FE559B2F3B7CAB6C4F65AC2B935B0337902890D808643450C23F16ED91A6E
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/0x0006000000016b3a-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4840	operaupdater.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	2026-08-20_9e216ef0dce777bf6f5c733bb8a25afc_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	operaupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 4840	2484	2026-08-20_9e216ef0dce777bf6f5c733bb8a25afc_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_9e216ef0dce777bf6f5c733bb8a25afc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_9e216ef0dce777bf6f5c733bb8a25afc_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\operaupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4840

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

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 31KB
SHA256 6f85b7b6a2e9029932e2562b9ea59bbaaa3937d9cc331863c7bcf1459ae3553f
MD5 7d6130d746df107824b2daf33935ec62
SHA1 e679859cb8f33f9c6f470e5f6886d33dfe048bee
SHA512 a5b8e61ce201f704ac8e5999b5030dd1c8f36417d892929ecdbf844ae730666c18100176dd1eba824dc1eabdc3a6c34b94250523f577e66723109476c2afeaec
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NUOASsslhtBuED:yGEWbwbF8sEo
TLSH
T1EEE20C3D6FE559B2F3BBCAB6C5F65AC2B935B0337902490D808603450C23F16ED91A6E
MD5 SHA1 SHA512 SSDEEP TLSH

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