waski | 79ed4290adb0cf81f03733f93bd6ca34b49b78ec6628f7074f5ea18eee2df5b1

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/08/2026, 15:01

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General

Target
2026-08-30_927a80745071a51428e4a3479cc62675_elex_wannacry.exe
Size 32KB
Sample260830-sd6rrsvdle
SHA256 79ed4290adb0cf81f03733f93bd6ca34b49b78ec6628f7074f5ea18eee2df5b1
MD5 927a80745071a51428e4a3479cc62675
SHA1 a51b75601e53962544ba6472e5fc3b88e82e6403
SHA512 0246ee3ae6f1303d4afdc02c3677f24725750fc88b5cd05076c30fc45bf079b271f0b0674cf5cf4690778d2b86a47b0ba7a33d6498ce5ee057b4b4dc572c8823
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIL:uTKWckBeEd6ml1pcg7eMUUz62TBj
TLSH
T17DE251346BE45D73E3BBDBB586F7C1C6A975B4262E03992E80851B841823B11DCA0F9D
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/0x0009000000011380-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
248	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	2026-08-30_927a80745071a51428e4a3479cc62675_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 1556 wrote to memory of 248	1556	2026-08-30_927a80745071a51428e4a3479cc62675_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-30_927a80745071a51428e4a3479cc62675_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-30_927a80745071a51428e4a3479cc62675_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1556
- 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:248

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 32KB
SHA256 4bf43a77cbcc0ef57155167858f18aefa471ddb25dfb3ce08dc29673d4f55366
MD5 c6e20e61553e34407876b0fd307eebd6
SHA1 5d943607bb8ebe4f10fa4dc1026bb0e35330e60f
SHA512 c18d50d6782a821d0c26c44c088da7541117e4b99824b341eac83a25ea72ebeac09e8ef18485cb6e150f06ef37b5f46b115c2e826c9a8bf76aa43ee956b7bed6
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsI/:uTKWckBeEd6ml1pcg7eMUUz62TBH
TLSH
T1C0E251346BE41D73E3BBDBB586F7C1C6A975B4262E03992E80851B841823B11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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