waski | 033f51f81543142210558a6170ded2792f40a43817142e1a66af03af3e3d918e

Analysis

max time kernel
148s
max time network
150s
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, 08:40

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General

Target
2026-08-08_f9f500228678303bc16ab6ec03bfb4ec_elex_wannacry.exe
Size 29KB
Sample260808-kk1v4ace64
SHA256 033f51f81543142210558a6170ded2792f40a43817142e1a66af03af3e3d918e
MD5 f9f500228678303bc16ab6ec03bfb4ec
SHA1 78f96d6cb1a67c3b8de55a44b1f192443d8843af
SHA512 7d71ae3f4b7829c869f2b1732d91f2081d22730bcb5dae83e3ef08433a45c58a53bb79a790990f0e77cdf9390bd5f7dc92945fbafa42cb9b0e236a42ae28de31
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5n5:cc3ji6kgi1Bc7sR55
TLSH
T1F6D2DE385EE51973E3BBDABAC6F691C6B975B4273D03580E408607840C23F26EDA1B5D
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/0x000700000001b867-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5168	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_f9f500228678303bc16ab6ec03bfb4ec_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 6136 wrote to memory of 5168	6136	2026-08-08_f9f500228678303bc16ab6ec03bfb4ec_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_f9f500228678303bc16ab6ec03bfb4ec_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_f9f500228678303bc16ab6ec03bfb4ec_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6136
- 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:5168

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 30KB
SHA256 463a7bbb75f8fc20a692b7178853016dbd48a2c2ae156b0cc341dbef42ee228c
MD5 d71b07ff0099976a452683272a11caeb
SHA1 e22dce50acf2beb72e98e1eacec8bb08be8c7f85
SHA512 8155c329267d432ade2a13c7f4af4e83bbe42d7f3616e4d5d69c9d4480afece2c1014c5983fa9933617452a6b2e5da1d1f686c67f27ee2da54125f111a82730f
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5n8:cc3ji6kgi1Bc7sR58
TLSH
T1E5D2DE385EE51973E3BBDABAC6F691C6B975B4273D03580E408607840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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