waski | b55ddbdcef1f876941f86502682d4e53590d72bbb3db2c5e95b991c022cd8046

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 03:03

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General

Target
2026-08-20_c225b4a59b2076034f9abd0fe41c343f_elex_wannacry.exe
Size 26KB
Sample260820-dkcd6s1xft
SHA256 b55ddbdcef1f876941f86502682d4e53590d72bbb3db2c5e95b991c022cd8046
MD5 c225b4a59b2076034f9abd0fe41c343f
SHA1 cbbcb523e90499c40453d4979ac3b11b616759ec
SHA512 0652e28f318a97847d381694ee55d17fe4456199de0b0bc09a8cfab27558bd2915445a50ef9dc1b7c43df98539d492ea7b6227db9cf628fafd8284354a8a00ea
SSDEEP 768:uxckEEd62J7F3Gih1uTRTUzT81V3/QoxxfZ:cc3jiF2ihRGV34ofZ
TLSH
T1BAC221396FE41972E3FBDABA85F695C6AC35B0373E02981E408607850C23F16EDA175D
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/0x000d000000019caa-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1884	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	2026-08-20_c225b4a59b2076034f9abd0fe41c343f_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 4940 wrote to memory of 1884	4940	2026-08-20_c225b4a59b2076034f9abd0fe41c343f_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_c225b4a59b2076034f9abd0fe41c343f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_c225b4a59b2076034f9abd0fe41c343f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4940
- 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:1884

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 26KB
SHA256 0f3fae907e25f9aa8ea6d57e6e598f51466b7c9327b2d7e514c8c08094131166
MD5 b4710f794293d481480a656c21b40183
SHA1 ea551ee78a1553c8e1b50df0b013c63dc41c242a
SHA512 8e343749cd12466ee84b1e7364f16634bb8bb608ddd4573ea4a5e39a6d15f57f863ce7dbf4d61645d219dae2135ff3fd9272ed4e16bfe4594f37e8d45e1e64d3
SSDEEP 768:uxckEEd62J7F3Gih1uTRTUzT81V3/Qoxxff:cc3jiF2ihRGV34off
TLSH
T16CC211396FE41972E3FBD6BA85F695C6AC35B0373E02981E408607850C23F16EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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