waski | a86110554ef122615e7c369c8db55983758b5799593e1c43b64251490cd169a4

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/07/2026, 22:10

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General

Target
2026-07-08_b5c14789237a8b3cfcfa2b0238e6789c_elex_wannacry.exe
Size 21KB
Sample260708-13mdeshx9k
SHA256 a86110554ef122615e7c369c8db55983758b5799593e1c43b64251490cd169a4
MD5 b5c14789237a8b3cfcfa2b0238e6789c
SHA1 737a41f7db5d300c1f8c1e0b9981c158083f1a36
SHA512 8dc3febc16c9306ccf69ae243f3f31e53b605ccabce09ecf77a7aed9b3271ac96551c49752f01e6f3ec017bb9f8b2fe5f42434ee02b8cfb8cd3962f615043825
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGimebgrJWlkGS:uTQWckBeEd6ml1pcg7F3GiSrI8ratx0
TLSH
T120A251346FD51EB2E3BBDBF285F7D2C6A975B0377A035A1E80450B841823A11DDA0E9D
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/0x00160000000115ef-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4108	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	2026-07-08_b5c14789237a8b3cfcfa2b0238e6789c_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 3412 wrote to memory of 4108	3412	2026-07-08_b5c14789237a8b3cfcfa2b0238e6789c_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-08_b5c14789237a8b3cfcfa2b0238e6789c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-08_b5c14789237a8b3cfcfa2b0238e6789c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412
- 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:4108

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 0a256e82f593eba1d0dffe386dde7bbf6b6d615a9ae4ab7b50c4975807658c5c
MD5 5dcd8584aeae27e912d669c87e611c2b
SHA1 e9d72ef9e32d925f3c97e08ce2b899eda5633154
SHA512 daa7edda4869855368da1d5ede0026747f2e23796a4ec7afb27c01caee7bcb53369ddff52606e15b7841c421373ecaccc95f12d2df5a4b954fe12893df393c99
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGimebgrJWlkGi:uTQWckBeEd6ml1pcg7F3GiSrI8ratx0
TLSH
T1F3A261346FD50EB2E3BBDBF285F7D2C6A975B4367A03591E80450B841823A11DDA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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