waski | ff001cd3737faefebeaca0e94b0b790a8b30efa0d706ded90b35c843ac7290ae

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 10:25

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General

Target
2026-08-23_62b0e2307ac28333dfc7ac2592de8623_elex_wannacry.exe
Size 17KB
Sample260824-mf12each97
SHA256 ff001cd3737faefebeaca0e94b0b790a8b30efa0d706ded90b35c843ac7290ae
MD5 62b0e2307ac28333dfc7ac2592de8623
SHA1 cc49baaac4f21ca5bbe83970f5ab36a56e65e9fb
SHA512 c0d536f8de54472b2d4aa7b3fef8333a8619c9ad6d4e7d6539b5f34fbc119061b3b10fb4bcc590c8f856b9d158760dcb525db28053b985d39420052f7ce90dc2
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJzZsxPXgarr:uxckEEd62J798j9ZiPXvrr
TLSH
T19B8283395AD41C73E3BBC3B5C5F7C1DAB871B42B36035D2E94861B892C23B12AC9069D
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/0x000c000000016cd6-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3476	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	2026-08-23_62b0e2307ac28333dfc7ac2592de8623_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 1896 wrote to memory of 3476	1896	2026-08-23_62b0e2307ac28333dfc7ac2592de8623_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-23_62b0e2307ac28333dfc7ac2592de8623_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_62b0e2307ac28333dfc7ac2592de8623_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896
- 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:3476

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 17KB
SHA256 6c7f4aeb6ff324557c06e4e1b1953c627f19eab42af2fa94e49b187a84118f2c
MD5 bb7c805cf323611b1ed3cb2f18334fad
SHA1 8fc540263e0fd4890a1264159ccc6fbbff019ffd
SHA512 ba50ed0edb8fc3dd14fc14955de7fe4560d5ccece916688e0ced1a20058b0b28743305a022441546240a046a4e34b0f3000096765342c5ff61f52d9cc5aafc42
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJzZsxPXgarY:uxckEEd62J798j9ZiPXvrY
TLSH
T11E8282395AD41C73E3BBC7B5C5F7C1CAB871B42B36035D2E548A1B892C23B12AC9069D
MD5 SHA1 SHA512 SSDEEP TLSH

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