waski | 2d06dead106b442f6504f23299fea95d43b23c857f118bbb30864acbd0d54fdc

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/10/2026, 16:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-10-02_189bd57544e657668871d6c5f50ec78f_elex_wannacry.exe
Size 17KB
Sample261003-t65kvaec55
SHA256 2d06dead106b442f6504f23299fea95d43b23c857f118bbb30864acbd0d54fdc
MD5 189bd57544e657668871d6c5f50ec78f
SHA1 1d4d494b067dc2dab3c98e71ee128e23c07a3c66
SHA512 a533271021fde8733fcd34ce5d4fd4583302f95aa799ae1193b00c0a8f4e8ff37ffef51d38df2e085a3e1cf7a6b38c0d02f24b18797786349d3ca520cfc3997b
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGih1uTcYTPAjj:uTQWckBeEd6ml1pcg7F3Gih1uTRT+
TLSH
T1B482A4316BE51DB2E3FBD7B555FBC2C59875B43B6B039A2E80451B892823E10CC60F99
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/0x000d000000019cb7-2.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
956	codecsupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	codecsupdater.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	codecsupdater.exe

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	2026-10-02_189bd57544e657668871d6c5f50ec78f_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 4148 wrote to memory of 956	4148	2026-10-02_189bd57544e657668871d6c5f50ec78f_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-02_189bd57544e657668871d6c5f50ec78f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-02_189bd57544e657668871d6c5f50ec78f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  PID:956

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 18KB
SHA256 cd92cdc93fb5635ee659155ec17f81b65e28805fc40d82ef95df3d424110a1b1
MD5 a6075596fae00c839fdbaa4fb041089a
SHA1 d5a96162e4a0675ddb7297a26b223dd018bc3569
SHA512 0236b8dd13e79e0121ac242b401b1bdeea3bf80c3c9293136a445e050816dd764573963fd113c2d959d9d75752175e55a24b6b4e30303a37cadbf64e2a88e5ca
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGih1uTcYTPAj0:uTQWckBeEd6ml1pcg7F3Gih1uTRTgg
TLSH
T1138295316BE51DB2E3FBD7B555FBC2C59875B43B6A039A2E80451B892C23E10CC60F99
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download