waski | 8ce99a4dfc831aaae5fa6b3ff14c6f7ee752c0aa84476bd40e339477fa5da6aa

Analysis

max time kernel
150s
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
21/08/2026, 02:35

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General

Target
2026-08-20_b01f8daa13c63c21c794731380aa09d7_elex_wannacry.exe
Size 18KB
Sample260821-c3cbfsfk4v
SHA256 8ce99a4dfc831aaae5fa6b3ff14c6f7ee752c0aa84476bd40e339477fa5da6aa
MD5 b01f8daa13c63c21c794731380aa09d7
SHA1 0378874d4a561dcce8fc1eb59402e47a0e88e924
SHA512 03d2324f2bbf449c941ab2a6285ad0023c139ed54c23f29f1ddb79fc5cfa9c6b856995cadcf71117cba1701eb2c943c7225da674a64b30ce503bf750a95309fa
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP/MCqKnRtw+:vLoZWN6GGBZ2BbwEoP/RfR1
TLSH
T1E38262394FD24AB6F3B3CAB284F797D6EA31F5A3F4120A0DD58507068813742AD85D6D
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/0x0007000000011394-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1860	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_b01f8daa13c63c21c794731380aa09d7_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 3852 wrote to memory of 1860	3852	2026-08-20_b01f8daa13c63c21c794731380aa09d7_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_b01f8daa13c63c21c794731380aa09d7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_b01f8daa13c63c21c794731380aa09d7_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3852
- 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:1860

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 18KB
SHA256 48e6d23920755f9cd65bb9143cd6e805eb05d97012a4313fb4c577d00610b6be
MD5 9cc0c25b59bb03ccae18f0606a1fe698
SHA1 8fcdd8b116981e0d1a57873d91326ee57e5b9a0b
SHA512 0785c46ef70792ac99d02d1d97757f418f39bd96eab6ff5476435730f18e7a56f9b438b9e0c2d57bd2aee59a4b2bdedf49403f93db9856416d5eaeb51c269aec
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP/MCqKnRtwA:vLoZWN6GGBZ2BbwEoP/RfRn
TLSH
T16F8272394FD24AB6F3B3CAB284F797D6EA31F5A3F4120A0ED58507068813742AD85D6D
MD5 SHA1 SHA512 SSDEEP TLSH

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