waski | 6674ca4902d127283385731cf5aee5eb14612c20956b9bace5809397acefa489

Analysis

max time kernel
148s
max time network
131s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/07/2026, 08:24

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General

Target
2026-07-11_709a6cf4a6e849c881e2b23d1d52df97_elex_wannacry.exe
Size 22KB
Sample260711-ka45rset5j
SHA256 6674ca4902d127283385731cf5aee5eb14612c20956b9bace5809397acefa489
MD5 709a6cf4a6e849c881e2b23d1d52df97
SHA1 33214e60a65af1adeb3ee678793d39501158708e
SHA512 6a3bcb64266fb1c1caa12760f897312997d5d8d9fe0ac6a02639eaca3676e02e78ece5fb80d58f395bba31fae5748a5e46620347e76ec40432353d65628dc9b0
SSDEEP 384:uTQWckBeEd6ml1pcg7F3GiSrI8ra4fpjCO:uxckEEd62J7F3GiGa4B3
TLSH
T171A252346FD50EB2E3BBDBF285F7D2C6A975B4377A035A1E80450B841823A11DDA0E9D
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/0x000900000001b312-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1112	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	2026-07-11_709a6cf4a6e849c881e2b23d1d52df97_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 4100 wrote to memory of 1112	4100	2026-07-11_709a6cf4a6e849c881e2b23d1d52df97_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-11_709a6cf4a6e849c881e2b23d1d52df97_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-11_709a6cf4a6e849c881e2b23d1d52df97_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100
- 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:1112

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 b135aeb8fa77bedd57b988558a2cf96055f3615484e888ba063c57b50bedfe29
MD5 090cec06cbbfa2672582e19154bedaa0
SHA1 b26312c8c6e46f51c9ed0796bb70eb74fd51b6db
SHA512 a0c61b0220ecbd9cc798dc41d0dba39aad1b9209bcd88453dcfb48c3dfbea2f731f289b35a66d32d297c55eca39673a81a6d7e4badaf9a3d1a46244ba125e85c
SSDEEP 384:uTQWckBeEd6ml1pcg7F3GiSrI8ra4fpjCy:uxckEEd62J7F3GiGa4Bj
TLSH
T1E3A251346FD50EB2E3BBDBF285F7D2C6A971B4377A035A1E80450B841823A11DDA0E9D
MD5 SHA1 SHA512 SSDEEP TLSH

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