waski | 3166f09a8cd5309c33be5ad04d8647f3ae37fb2ccf2c1873642abe08633e70a3

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 13:23

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General

Target
2026-08-23_3f02eddf8bb9a487e4216582d8c76a8f_elex_wannacry.exe
Size 28KB
Sample260824-qm1wrstyfx
SHA256 3166f09a8cd5309c33be5ad04d8647f3ae37fb2ccf2c1873642abe08633e70a3
MD5 3f02eddf8bb9a487e4216582d8c76a8f
SHA1 78c7d431d0fe824ac35308a56d06c5e5b2a62782
SHA512 457b774534232155b84ce612f5a1f53b1141f2c54892ca9ccc3d85fd0e03346cc2b1ae563c28273e8a2858561653a30fba194ac4a044f37fa92f6d88f1d6d2d0
SSDEEP 768:uxckEEd62J7F3Gih1uTRTUzT81V3/Qoxx3OwAk:cc3jiF2ihRGV34o38k
TLSH
T13DD2FF396FE41972E3FBDABA85F695C6AC35B0373E02981E408607850C23F16EDA175D
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/0x000800000001b85f-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5384	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	2026-08-23_3f02eddf8bb9a487e4216582d8c76a8f_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 4312 wrote to memory of 5384	4312	2026-08-23_3f02eddf8bb9a487e4216582d8c76a8f_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-23_3f02eddf8bb9a487e4216582d8c76a8f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_3f02eddf8bb9a487e4216582d8c76a8f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- 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:5384

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 28KB
SHA256 2de8fcd8b5fe249975d8f9ab9900ebb045475e684d2c7625d7e74a56fbd5daf9
MD5 55cc43856ee562132cd925b0936e946e
SHA1 17dfd71efc76a8b3ec0158bbfd94252a39e58dc0
SHA512 414c77fecb2c293359765da0e9a4e1d426930cf22b9439d253586e083ebb459916bdb7f9d63f82d195ebf704bff13af839431bd5eb312ef8c450962f6e5e8244
SSDEEP 768:uxckEEd62J7F3Gih1uTRTUzT81V3/Qoxx3OwAA:cc3jiF2ihRGV34o38A
TLSH
T1E4D2FF395FE41972E3FBDABA85F695C6AC35B4333E02981E408607850C23F16EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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