waski | c0cff0d0646852f2c0773321a0f4b72013eeee8b4cb3a9bf29e838a2ad217661

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 03:07

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General

Target
2026-08-20_6e074bca6dffdcea0c1d449058d6f604_elex_wannacry.exe
Size 19KB
Sample260820-dmtfgabb55
SHA256 c0cff0d0646852f2c0773321a0f4b72013eeee8b4cb3a9bf29e838a2ad217661
MD5 6e074bca6dffdcea0c1d449058d6f604
SHA1 68b70bc00963e6d482ddc6ae6ffd675f6429d850
SHA512 5c34172776092c5cac0bdaf35dbdfddba92ce10e2e43ca51f282747f8766ad8ad0fcf8bda764ae6e802842d55cd18ffa394b5e64e84067ce71766beb8ec5406f
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2RqHo:uxckEEd62J7F3Gih1uTRTF+bI
TLSH
T1A99264395BE40D72E3F7C6B685F7C1C6A935B43B3A03592E80451B892C23F11ADA1B9D
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/0x000e00000001b664-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5684	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	2026-08-20_6e074bca6dffdcea0c1d449058d6f604_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 4264 wrote to memory of 5684	4264	2026-08-20_6e074bca6dffdcea0c1d449058d6f604_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_6e074bca6dffdcea0c1d449058d6f604_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_6e074bca6dffdcea0c1d449058d6f604_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- 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:5684

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

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Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 19KB
SHA256 195e157789e017674f02618ea659f5d83806603a19d62eac6eca0b1e71d19dff
MD5 0f0da873b3876601c68d4dcee4faf5ac
SHA1 d0ce4159bc44e8c8ac21a18e694fddab80a445cc
SHA512 3dc63eba2ee81b83950804ca09a9c220ef0621ac8e836716ba65cac667672835a821a46e1f48f8c5612d58f2ed1d63a64ad04ec446f304629fd8a264c830b90d
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2RqH1:uxckEEd62J7F3Gih1uTRTF+bV
TLSH
T1E69253395BE40D72E3FBC6B685F7C1C6A935B43B3A03591E80451B891C23F11ADA1B9D
MD5 SHA1 SHA512 SSDEEP TLSH

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