waski | a68e364607f02ce8b9f2470f1dcd590afeed339736c48b7f97f1ac40526c3a44

Analysis

max time kernel
148s
max time network
135s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 03:57

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General

Target
2026-08-23_9ca4b99315ca7273f1b3b01747e43661_elex_wannacry.exe
Size 27KB
Sample260824-eh47vasfqa
SHA256 a68e364607f02ce8b9f2470f1dcd590afeed339736c48b7f97f1ac40526c3a44
MD5 9ca4b99315ca7273f1b3b01747e43661
SHA1 998d72c89d9df949b7476b154998bd929fcd5f38
SHA512 cc09f7d86b4eff47fc052d6e5afba3b91c16c3e11fd471a83b6e823ca34353ce55b76beca7b9147eeb5bf2c04d1eb66157b2d506943ad17dabca1bb47da0be2f
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnGJA55YyzM+9eV:vLoZWN6GGBZ2BbwEoP/NUOAz1E
TLSH
T1F8D21E3C5FD55AB2E3B7CAB6C5F696C6F931B463B9020D0D80C603854C23B12ED91A6E
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/0x000700000001b853-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1212	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	2026-08-23_9ca4b99315ca7273f1b3b01747e43661_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 4168 wrote to memory of 1212	4168	2026-08-23_9ca4b99315ca7273f1b3b01747e43661_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-23_9ca4b99315ca7273f1b3b01747e43661_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_9ca4b99315ca7273f1b3b01747e43661_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4168
- 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:1212

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:6104

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 28KB
SHA256 462e815df5a29b43f5346667246c85f53585e019d64a1dd9a91237dea7972aa3
MD5 cdc271ad7523d719d438a55666eed2f1
SHA1 453031d287ed683419bb1cd3bcac6a58d937c0ce
SHA512 7937117fa362736b4ff66cf0aa68c0255c3e92e7d5bb6dd342aaa7e1ee40041f3df5825df8e46edfa005b2716538485921ebdfb549b91d20842660b9f711d6ae
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnGJA55YyzM+9en:vLoZWN6GGBZ2BbwEoP/NUOAz1y
TLSH
T1A7D21E3C5FD55AB2E3B7CAB6C5F696C6F931B463B9024D0D80C603854C23B12ED91A6E
MD5 SHA1 SHA512 SSDEEP TLSH

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