waski | da8dd87ca7f336edc9edbb1212870d9eb0aa3e1e708319fab1b545f387275122

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 10:48

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General

Target
2026-08-08_90b570496b75adf19d98826ba0cea43d_elex_wannacry.exe
Size 29KB
Sample260808-mv739sda95
SHA256 da8dd87ca7f336edc9edbb1212870d9eb0aa3e1e708319fab1b545f387275122
MD5 90b570496b75adf19d98826ba0cea43d
SHA1 7f1feb72c7b7b49d42de494bc6b4f7aab2dfbff9
SHA512 a68680879f734510d380a23207f9b3f2a44731b22deb42ffb8f9527dd394b93b7bef6e1570cb57256c46f81ddd457e1b319ef67840829c3679ab2e03799b0c16
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nS:cc3ji6kgi1Bc7sR5S
TLSH
T1D9D2CC385EE51972D3BBDABAC5F691C6B935B4273E03590E408607840C23F26EDA1B5E
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/0x0008000000016cfd-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3296	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	2026-08-08_90b570496b75adf19d98826ba0cea43d_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 540 wrote to memory of 3296	540	2026-08-08_90b570496b75adf19d98826ba0cea43d_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_90b570496b75adf19d98826ba0cea43d_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_90b570496b75adf19d98826ba0cea43d_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- 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:3296

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 29KB
SHA256 9739769fa84e865d83aaf640962069ab391eefbe25171790b4e9fa74f1a2cd4c
MD5 ac7cb64a923048c25ff3e9171f65f276
SHA1 7ed43ca8d346e59712d1a8581d5438694b2c1209
SHA512 64f061b0a30e58e13c308d807a8e85a98b616a5f7b5a0ad69118f2ab25ef707f2fab14984f183cab239b1ccbb36648a8197e73d3ad2823648663a8cf8b1b9c5a
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nr:cc3ji6kgi1Bc7sR5r
TLSH
T182D2CD385EE51972D3BBDABAC5F691C6B935B4273E035D0E408607840C23F26EDA1B5E
MD5 SHA1 SHA512 SSDEEP TLSH

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