waski | 884fa10f2ad11c2e7ff1ff1cd081f9196a8f307d13f1356a116d8f49bef5ab45

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 08:58

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General

Target
2026-08-02_2aa5acf1a485c4b9c189178907ca7891_elex_wannacry.exe
Size 32KB
Sample260802-kxdakazarg
SHA256 884fa10f2ad11c2e7ff1ff1cd081f9196a8f307d13f1356a116d8f49bef5ab45
MD5 2aa5acf1a485c4b9c189178907ca7891
SHA1 d68b69364943825e25021f07aef8fafc49b826da
SHA512 8a1207b814502655011636b13e4e66376649ff0dcae0cd2d2c3b0da3704176439df6e3fe71b2dd20411d5a81695ed213d67d5b5ace5ed8c241c87845ec9db13b
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIz:uTKWckBeEd6ml1pcg7eMUUz62TAhK
TLSH
T12FE262346BE45D73E3BBDBB586F7C1C5A975B42A2E03992E80851B841833B11DCA0F9D
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
5096	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	2026-08-02_2aa5acf1a485c4b9c189178907ca7891_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 4980 wrote to memory of 5096	4980	2026-08-02_2aa5acf1a485c4b9c189178907ca7891_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_2aa5acf1a485c4b9c189178907ca7891_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_2aa5acf1a485c4b9c189178907ca7891_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4980
- 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:5096

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 32KB
SHA256 b44aa7be655043f7345be3906d89b7e9c5532d1882db3f1cb9e78dd739d4e990
MD5 b65e3084f9cfafd4cdd29c9623926aaf
SHA1 296a4296ed6ddec0daee7caaad16ed29fa4500c2
SHA512 f7de60ebd4e6bff2fb01573f6273ddb50d14128919a39d3dd63552cc80c8f029aad7f9cd5fb2a3c2de70c3b61e2d7db7515e2568182bba039a07e946e7804d0b
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsI5:uTKWckBeEd6ml1pcg7eMUUz62TAh0
TLSH
T139E262346BE45D73E3BBDBB586F7C1C5A975B4262E03992E80851B841833B11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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