waski | 1203c0107d96af42badf9badd96d29a9bf5c1916f5e4043fbfb45f9aebe48e76

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 15:04

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General

Target
2026-08-24_3ce804b65b547b092d9d68ebfd2d6ccb_elex_wannacry.exe
Size 22KB
Sample260825-sfwpksbl31
SHA256 1203c0107d96af42badf9badd96d29a9bf5c1916f5e4043fbfb45f9aebe48e76
MD5 3ce804b65b547b092d9d68ebfd2d6ccb
SHA1 c2060f670fdba46f721b9e9514cf32045b5f4fd9
SHA512 04b73712915d4efb6e64d407f31fabbdaecc430843aedde5f751366e43279061464cc8f4c367a2fbefa64dcabb721059329e5a73299b47da5040953454fe2fd3
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTUzT81PFH3fXQoz:uxckEEd62J7F3Gih1uTRTUzT81V3/Qoz
TLSH
T1BAA242395BE41972E3FBD6BA85F795C6AC34B0373E02981E408607891C23F12EDA1B5D
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/0x000f00000001b1d0-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5916	codecsupdater.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	2026-08-24_3ce804b65b547b092d9d68ebfd2d6ccb_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecsupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 5916	4696	2026-08-24_3ce804b65b547b092d9d68ebfd2d6ccb_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-24_3ce804b65b547b092d9d68ebfd2d6ccb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_3ce804b65b547b092d9d68ebfd2d6ccb_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5916

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

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 22KB
SHA256 49bb2ebbe30e580720f12d5ad800ae48b75368ee6b59e0406f03fff039bee98a
MD5 2219da8e4b6c0f335ca6565d0c019da6
SHA1 328a9ef6d1333e8199d8d22aadba828ca275fe4b
SHA512 3c553afe550fc6133662a874333c30bf9608e75bcaca2cc89d1d1bcc7a1db5e7bd42515e9d60a3fd77f2464b69be0d0b5aaa03fe0446c3d24d5d222d2f6e0461
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTUzT81PFH3fXQo2:uxckEEd62J7F3Gih1uTRTUzT81V3/Qo2
TLSH
T1D7A242395BE41972E3FBD6BA85F795C6AC35B0373E02981E408607891C23F12EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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