waski | ed0fc0788725e9ebdb391ae445eed2098fa59e03c74768941f29a41f7db09952

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
09/08/2026, 00:22

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General

Target
2026-08-08_167e0970568279a369988aefb5601889_elex_wannacry.exe
Size 29KB
Sample260809-an81rsfl4x
SHA256 ed0fc0788725e9ebdb391ae445eed2098fa59e03c74768941f29a41f7db09952
MD5 167e0970568279a369988aefb5601889
SHA1 b16d06ebc2c8ec1b07a6946bfc6af63704b2ca43
SHA512 43d3bf001cd5d8f9718b2b2921f6bfe2288a1e4c395ef1bd5f8f08c64e2374a5e2b03e859c5611104a0b333e0888bb66c9d185e286c64bc166e010dfeecb801d
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5n4:cc3ji6kgi1Bc7sR54
TLSH
T16CD2DD385EE51973D3BBDABAC5F691C6B935B4273D03590E408607840C23F26EDA1B5E
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/0x000a000000011390-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5088	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_167e0970568279a369988aefb5601889_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 4464 wrote to memory of 5088	4464	2026-08-08_167e0970568279a369988aefb5601889_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_167e0970568279a369988aefb5601889_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_167e0970568279a369988aefb5601889_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464
- 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:5088

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 2ac59663dee396ed923e9aed5d7023e9e75072d5b2331c3d3cf95752b34251c9
MD5 0f2d5ceb149d75c39149dbf991af88ff
SHA1 19154d6d05af72ca99162fbf2f4f52128a0d7cce
SHA512 f1fa46b6ab9a06b32eae433d7e44ab881b22d225c0b3be32f4b5f63d28f30212d04c2a607309b795e0a1b9a4090dff2a335e6319f7050a3bbef62f571c05d0a5
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nAE:cc3ji6kgi1Bc7sR5AE
TLSH
T1E9D2DD385EE51972D3BBDABAC6F691C6B935B4273D035D0E408607840C23F26EDA1B5E
MD5 SHA1 SHA512 SSDEEP TLSH

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