waski | 60cb37f9d779ebc400cf2652c86bcbf66fdace54b6b73f4ca6ec31ab279c91a3

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 04:18

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General

Target
2026-07-17_355fef1dcc21bbd8de35b1dce0f949fe_elex_wannacry.exe
Size 18KB
Sample260718-exa8babt31
SHA256 60cb37f9d779ebc400cf2652c86bcbf66fdace54b6b73f4ca6ec31ab279c91a3
MD5 355fef1dcc21bbd8de35b1dce0f949fe
SHA1 3393acb0072963b89d9a65da7f6586e7c8d1e512
SHA512 f2e361ef6f76a43f752a06c14b9c7a079dd28f3b4f71abad159378f6db9c7e036ef65eb273087e8062860e4dd4bf117a1c7d7647ed6941ba03dbd19b05b97905
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL6h:uTQWckBeEd6ml1pcg7F3GiElpd2a
TLSH
T14F82A5356BD45D73E3BBD7B196FBC1C66975742B2E03992E80481B882C23E11DCA0F89
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/0x000a000000011371-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4348	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	2026-07-17_355fef1dcc21bbd8de35b1dce0f949fe_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 5684 wrote to memory of 4348	5684	2026-07-17_355fef1dcc21bbd8de35b1dce0f949fe_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-17_355fef1dcc21bbd8de35b1dce0f949fe_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-17_355fef1dcc21bbd8de35b1dce0f949fe_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5684
- 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:4348

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 18KB
SHA256 a47b34a5171a5f416a0057a0c3bce9d07b51614a930e592f6003ff29c9c4a2f4
MD5 38640699bf3ecdbf836af7ba1c0b849b
SHA1 d130acee9dae5798487972c1e50c7bee429f01da
SHA512 6602cfa717e891228b47dfd65466ea592304a8a738f52723be3b5eec14e94d8771d17df4368ddc327ac2fa956d7657d76bb5317b8ee4705c143744897fcd2b1b
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL6z:uTQWckBeEd6ml1pcg7F3GiElpd2Va
TLSH
T18182A4356BD45D73E3BBDBB196F7C1C66975742B2A03992E80481B882C23E11DDA0F8D
MD5 SHA1 SHA512 SSDEEP TLSH

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