waski | f21912fee096b9053f6cca7d08653449e9c861f41a3d82e679fb6675352eda76

Analysis

max time kernel
148s
max time network
139s
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, 03:15

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General

Target
2026-08-20_0a15c5ec10548714fd7d8eedfc8edda6_elex_wannacry.exe
Size 16KB
Sample260820-dr3jyabb76
SHA256 f21912fee096b9053f6cca7d08653449e9c861f41a3d82e679fb6675352eda76
MD5 0a15c5ec10548714fd7d8eedfc8edda6
SHA1 ea25dede02d4907972242c101c95ad1cb427f84e
SHA512 e8147e197dd6cf0d1f6539dfdc3a4dd589b812bb15763d86d2a362f174945dd5a754b14629b2f7623a31449fd5e098d9f438137ca3655c10af40a865ba250d34
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmtBUPN2Rp8JicBVyya:uTQWckBeEd6ml1pcg79UP4EJP9RYp1
TLSH
T1F872A6355AE40C73E3FBC7B595FBC1D6A870742B3B03592E54891B892823B12EC607AD
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/0x000d000000016ce7-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3084	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_0a15c5ec10548714fd7d8eedfc8edda6_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 4924 wrote to memory of 3084	4924	2026-08-20_0a15c5ec10548714fd7d8eedfc8edda6_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_0a15c5ec10548714fd7d8eedfc8edda6_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_0a15c5ec10548714fd7d8eedfc8edda6_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4924
- 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:3084

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5968

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 16KB
SHA256 d112f96941941a90395fc893ff73ac3d24ea0f19d0ff51d8cbc9e275736f6e7b
MD5 a696158c7bdb41642a9cc8faaa3d55c4
SHA1 a183016b1d157343dbb5ee23802d889e64e7fab3
SHA512 1595baad1daa7bcb74e437e776d1f10db77723861d32f38e19788916fdd79a31c009215f590eede58ea98b05b7a2f046f52798d59c5b5452fabcd572b48f2489
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmtBUPN2Rp8JicBVyyL:uTQWckBeEd6ml1pcg79UP4EJP9RYpw
TLSH
T11572A7355AE41C73E3FBC7B595FBC1D6A874742B3B03592E50891B892823B12EC607AD
MD5 SHA1 SHA512 SSDEEP TLSH

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