waski | c70af04d45ba5be7f8e27d658676df17310eab9efc8f017d7c6959cc995bfd0d

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/05/2026, 04:33

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General

Target
2026-05-27_714f73084958ee425014e5a6c50fe65f_elex_wannacry.exe
Size 31KB
Sample260527-e6s5gsfs2p
SHA256 c70af04d45ba5be7f8e27d658676df17310eab9efc8f017d7c6959cc995bfd0d
MD5 714f73084958ee425014e5a6c50fe65f
SHA1 5075e7e1821dd03465b782d6ddee6a0ebff13eb3
SHA512 62f4e65eac6f579cf28c9333c2d9335af17afd4c38577948ec82bf4dd804dd52fa140375a17fe7cd4dfff1e1584c743f58a29536a159e346896ac526e6ecc8c7
SSDEEP 384:uTKWckBeEd6ml1pcg7eMUyA9hIbieeqpg1Z:uPckEEd62J7PUyA9hIeeeQgZ
TLSH
T1D9E252386AD45973E3BBCBB586F7C1C6A93574273E03591E80851B841C23F21DDA0B9D
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/0x000d000000025ada-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4912	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	2026-05-27_714f73084958ee425014e5a6c50fe65f_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 3792 wrote to memory of 4912	3792	2026-05-27_714f73084958ee425014e5a6c50fe65f_elex_wannacry.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-05-27_714f73084958ee425014e5a6c50fe65f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-27_714f73084958ee425014e5a6c50fe65f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3792
- 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:4912

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 31KB
SHA256 a9f80f1e777b28bd463419223c270625b371842a820af3d22ed189d0375e5933
MD5 a441f6438699d325b9e0b2b19a6ff264
SHA1 096996450f04c120af27d08b0ef28ba69bcf6199
SHA512 fd89fafd956399d3db4a140517e9443dbaf492927e9df2c88dfe310372dbd822433ebdf9988a06fc3dc9f76f4d30a7a872b831d269f3eb07bf61857f3b4fe873
SSDEEP 384:uTKWckBeEd6ml1pcg7eMUyA9hIbieeqpg1W:uPckEEd62J7PUyA9hIeeeQgW
TLSH
T1A6E251386AE45973E3BBCBB586F7C1C6A97574273E03591E80851B841C23F21EDA0B9D
MD5 SHA1 SHA512 SSDEEP TLSH

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