waski | 3fca4dacb3f66d501ceb1f71cdae9135ef6d4bab4c8b40488f0e609f449ef1a7

Analysis

max time kernel
148s
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
20/08/2026, 01:38

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General

Target
2026-08-19_846c5fee1c953a957e31c74e033d4a60_elex_wannacry.exe
Size 12KB
Sample260820-b2hamszzbx
SHA256 3fca4dacb3f66d501ceb1f71cdae9135ef6d4bab4c8b40488f0e609f449ef1a7
MD5 846c5fee1c953a957e31c74e033d4a60
SHA1 b1cb0b851b89bbe346b94d928d7c00326611bc76
SHA512 ee856469b9537ee0cb4c91d4e86c07f3baff4e71b18692f367dcfb45dd77007fc9504f3753529cae994caf2ff6fdb96345511ed1272a5ca8485be87225e9b99c
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mYQ:j4nBHA7f46l1JcV4rAAAAAn
TLSH
T1CE4218475B60C9A7F3E54D34494B9B1CAB3634C3FD23071BEAACA24DCA71212C80E679
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/0x000b00000001b1a4-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3460	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	ieupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-19_846c5fee1c953a957e31c74e033d4a60_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 3460	2980	2026-08-19_846c5fee1c953a957e31c74e033d4a60_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_846c5fee1c953a957e31c74e033d4a60_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_846c5fee1c953a957e31c74e033d4a60_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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:3460

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 12KB
SHA256 12d6a94d10fa58ad3623ebab96559ce5d801c1c462330d51f7e1504bc8e0a8fc
MD5 0d115525e5c57d669392469c4622d3f2
SHA1 820caa1a98266ecca07a6671d3d25b07f6e1feb7
SHA512 eef81b8fa62328a605087d6eff1b85df3ed10a70193654a4040d71529385964455754e1df2fccdef438b14dffbe82dc561f08a98036fd7576542020c2cb58496
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mY8z:j4nBHA7f46l1JcV4rAAAAAH
TLSH
T16F5209575BA0C9A7F3E54D34495B971CAF3634C3FD22071EEA6CA24DCA71212C80E679
MD5 SHA1 SHA512 SSDEEP TLSH

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