waski | 75226c549ebbfaced8bcedaf4ee3411d1f0c1c6b2f60791db27754edaa12dd11

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 21:33

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General

Target
2026-07-18_af26a2658c7a2e3127603c1aaea1b91c_elex_wannacry.exe
Size 18KB
Sample260718-1ehekags2t
SHA256 75226c549ebbfaced8bcedaf4ee3411d1f0c1c6b2f60791db27754edaa12dd11
MD5 af26a2658c7a2e3127603c1aaea1b91c
SHA1 6893b98919a97a0677f7f4bb9e13eac2120e087c
SHA512 eecd0b612ba7975b7cc0a7b19b68b2c35ad099e9c38c97e964aa6f84473a4de31aceede232370e979390e1f2c60d767ce244f03a54f87ac8ec19e99038b32861
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL6n:uTQWckBeEd6ml1pcg7F3GiElpd2yp
TLSH
T13282A4356BD55D73E3BBDBB196F7C1C66875742B2E03992E80481B882C23A10DCA0F89
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/0x0008000000019cb5-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4568	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	2026-07-18_af26a2658c7a2e3127603c1aaea1b91c_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 3336 wrote to memory of 4568	3336	2026-07-18_af26a2658c7a2e3127603c1aaea1b91c_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-18_af26a2658c7a2e3127603c1aaea1b91c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-18_af26a2658c7a2e3127603c1aaea1b91c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3336
- 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:4568

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 bf6319b6e5476152c1db2b49e4743a33c750e5135b0d77a15e03f1a8248d67a7
MD5 4ee0a86381d2703e70470099fbd89b31
SHA1 f44c642266280ad225b8a644910f17dfbe6c50be
SHA512 7aea3b93dc0711feeffd910d7eac3404e8f24100311e0de5dfb47f2929f453a64d4699eb72c437c42cbc1e9a932633a1027070d0178e98cdd5db1a83bf518140
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL6C:uTQWckBeEd6ml1pcg7F3GiElpd2yI
TLSH
T16882A5356BD55D72E3BBDBB596F7C1C66875742B2E03992E80481B882823E11DCA0F8D
MD5 SHA1 SHA512 SSDEEP TLSH

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