waski | 053143782336785440a755dedd20ae6ef93dd1633a525f875f505b5240ae5d75

Analysis

max time kernel
148s
max time network
115s
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, 04:08

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General

Target
2026-08-24_af886fa438cb69056e53fb0c4491100f_elex_wannacry.exe
Size 16KB
Sample260825-eql18sswgv
SHA256 053143782336785440a755dedd20ae6ef93dd1633a525f875f505b5240ae5d75
MD5 af886fa438cb69056e53fb0c4491100f
SHA1 438f94ced96f7efadef5ca1d58d30ffc249c67c8
SHA512 909f7ee061da22789443ce50af31a5d99c1e59f72b866e9c05970e5513e28f72131c45636ee586c7aa5975a8a8cccc0cc8d5a95f96e0dbb2a29ae1a607e91923
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGih1uTcYTPAj6:uTQWckBeEd6ml1pcg7F3Gih1uTRTv
TLSH
T1FE72B5316BE50DB2E3FBD7B655FBC2D55874B43B6B035A2E80491B892C23A10CC60F99
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/0x000500000001b6f0-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5504	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	codecsupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-24_af886fa438cb69056e53fb0c4491100f_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 5504	4192	2026-08-24_af886fa438cb69056e53fb0c4491100f_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-24_af886fa438cb69056e53fb0c4491100f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_af886fa438cb69056e53fb0c4491100f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4192
- 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:5504

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 16KB
SHA256 47934f7657373a38461dd1bb19bf3466c251634e6c04637e6f00ed6ca40a2e37
MD5 d2154040acaf76e70e90d8dfcd677971
SHA1 c7b6c6febd7db16346a755814055dd21f3b89320
SHA512 4870197d55174860339ccfe374d9d302b42a82c6873916089cef90ed2d7a16712641755b9d9c960fb17fef1fa60db003db038de080ab6f47d0cb98dc7ed58d52
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGih1uTcYTPAj9:uTQWckBeEd6ml1pcg7F3Gih1uTRTs
TLSH
T14B72B6316BE50DB2E3FBD7B655FBC1D65874B43B6B035A2E80491B892C23A10DC60F99
MD5 SHA1 SHA512 SSDEEP TLSH

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