waski | 4e36741f5dbb0528db21d7bbe7c39fa82ad235a4b7b75c655ec8a65ca296e883

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 16:34

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General

Target
2026-08-01_7b761c364943ceef55b1836c77c81364_elex_wannacry.exe
Size 14KB
Sample260801-t28rpsdf29
SHA256 4e36741f5dbb0528db21d7bbe7c39fa82ad235a4b7b75c655ec8a65ca296e883
MD5 7b761c364943ceef55b1836c77c81364
SHA1 77d8aaeaced9afd4c9783a1ac0adc58cd38d9ef0
SHA512 75f8b69fb44e7333a7697300c34632426be960351ed2138c023a8c933b4fa1d8e35c86ef87e798115761ecf3af4f357d2828243975939e6393ea5835387c3f8f
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/r:j4nBHA7f46l1JcV4rAAAAAyA/GKr
TLSH
T18862E8265BE489B2F3B68A3485FB975CBB3574C3FC12060ED5999349CD23712DC0A62D
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/0x0007000000011394-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4724	ieupdater.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	2026-08-01_7b761c364943ceef55b1836c77c81364_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ieupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 4724	3600	2026-08-01_7b761c364943ceef55b1836c77c81364_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_7b761c364943ceef55b1836c77c81364_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_7b761c364943ceef55b1836c77c81364_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\ieupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4724

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

ieupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
Size 14KB
SHA256 0207ac0259a83439133aa082f85f90c4aa19da2235fc50ee9aee7b89889bb92a
MD5 36d3a4bf01d1a51e90a509c077b7dbe1
SHA1 22ef979e7864750bf1da8208d2d6777edb645de2
SHA512 da7f49f884f5ed26957730817fb24ce75f3b4a29a863b3a5aab6789c10778a70161dc6b5e426a6638a7ab8f705d525a527711906f438b46fca7b12aa11492f12
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/O:j4nBHA7f46l1JcV4rAAAAAyA/GKO
TLSH
T18C62D8265BE489B2F3B68A3485FB975CBB3574C3FC12060ED5999349CD23712DC0AA2D
MD5 SHA1 SHA512 SSDEEP TLSH

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