waski | 9bb83d71d29f1d4385fc7fad7352a749f00c3e67a614c104ffcf30a6fc6a8086

Analysis

max time kernel
148s
max time network
150s
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, 11:39

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General

Target
2026-08-20_a7a38d98496a64b3679d1964b9cddb81_elex_wannacry.exe
Size 32KB
Sample260820-nsqa4sbl9x
SHA256 9bb83d71d29f1d4385fc7fad7352a749f00c3e67a614c104ffcf30a6fc6a8086
MD5 a7a38d98496a64b3679d1964b9cddb81
SHA1 d3d0da522b554c7b8937f8f90464c892f08a2c21
SHA512 9ffe68d40dcc6edc8f1e7bda8732b2a88684e07b10f4bbe0546679e5ab0aae9f48eb6b8ba5e80bbf4296f402c58aa37a09f1700ddcc0ce371920ee33c98bae01
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NsBYLIglPIsVNJsCDw:yGEWbwbFmglAsPJJDw
TLSH
T12CE2933D5FD51AB7E3B7CAB6C5F686C6F931B06379024D0E808603854823B57ADC296E
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/0x000a000000011390-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
2856	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	2026-08-20_a7a38d98496a64b3679d1964b9cddb81_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5676 wrote to memory of 2856	5676	2026-08-20_a7a38d98496a64b3679d1964b9cddb81_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_a7a38d98496a64b3679d1964b9cddb81_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_a7a38d98496a64b3679d1964b9cddb81_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5676
- 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:2856

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 32KB
SHA256 e75b5c9e470e93356cdd64775400d2bf3d857794bb9a5861d212cac556ea38d2
MD5 73d5485d00261809a58f4ce19beaf534
SHA1 ef3650774082dafe9967116ba07445850fac90af
SHA512 99be22969ef0abcddf62ac5c23646436aeb2a18ccdcc6f8f0cc44bc1d52b15be5df20779f736313a0e997e172a5c0e02daf2926e4d07f91ede127d684974437d
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NsBYLIglPIsVNJsCDV:yGEWbwbFmglAsPJJDV
TLSH
T1E3E2833D5FD51AB7E3B7CAB6C5F686C6F931B06379024D0E808603854823B57ADC296E
MD5 SHA1 SHA512 SSDEEP TLSH

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