waski | 3a084cc5224899790bb8104ad20c8fc7fe257700976f3e694be894c041e5224f

Analysis

max time kernel
148s
max time network
157s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/09/2026, 11:04

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General

Target
2026-09-08_e5133240f29c4b7965bd8e3684a3e364_elex_wannacry.exe
Size 27KB
Sample260908-m6a8nsfa67
SHA256 3a084cc5224899790bb8104ad20c8fc7fe257700976f3e694be894c041e5224f
MD5 e5133240f29c4b7965bd8e3684a3e364
SHA1 92a932f92dc9b81b122bf592e83851906aad8aea
SHA512 996d7858087896b294b238d6d379eb4738547386ab8c6ba97341c9b23c2f042762b87161d71bc4c33f6e103e44ab1143c559cd95c4f22832719b028e3b7cb845
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnGJA55YyzM+spv:vLoZWN6GGBZ2BbwEoP/NUOAz12v
TLSH
T17CC23F3C5FD55AB2E3B7CAB6C5F696C6F931B463B9024D0E808603454C23B12ED91E6E
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/0x000d000000019cb1-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3332	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	operaupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-08_e5133240f29c4b7965bd8e3684a3e364_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 3332	4300	2026-09-08_e5133240f29c4b7965bd8e3684a3e364_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-08_e5133240f29c4b7965bd8e3684a3e364_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-08_e5133240f29c4b7965bd8e3684a3e364_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- 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:3332

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 27KB
SHA256 05c5df29a232a6b64eb44d0c4ada3159473c3fb3ec15b21c0811c5d069c29936
MD5 1f68535ab5cad863c921df4f95023118
SHA1 5e2f799930d25c99515a2ca06586013c1d9aeb2c
SHA512 680b124686f10abadfcaced722aa9d8e4836d4767828f28f6856e6638c89de9635e02701da34f995690b5a388be9d67285b3b31d4278f4fe91daae689f333a3f
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnGJA55YyzM+spyz:vLoZWN6GGBZ2BbwEoP/NUOAz12O
TLSH
T1C1C22E3C5FD55AB2E3B7CAB6C5F696C6F931B463B9024D0E808603454C23B12ED91E6E
MD5 SHA1 SHA512 SSDEEP TLSH

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