waski | 8bd480c8bec3a42712fd836fbe9b4549f71d8161cc91005e9babdc7464975ff0

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
19/08/2026, 22:42

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General

Target
2026-08-19_6ee83dcdb8022efcd3b78ee671291c0e_elex_wannacry.exe
Size 15KB
Sample260819-2mrtmsaa59
SHA256 8bd480c8bec3a42712fd836fbe9b4549f71d8161cc91005e9babdc7464975ff0
MD5 6ee83dcdb8022efcd3b78ee671291c0e
SHA1 a4f579a380abbcd68440b3529eb2516effd83834
SHA512 713852bd493378bb84fd762f730d18975460dfea22eb7d2669cf93ed7ac408a7d5e0728e30d91f4c5c8b8441477a02a2cf09fe82872866a4453c877f7629e30f
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGimeDMSN3Pz5R:uTQWckBeEd6ml1pcg7F3GiFfNNXAi
TLSH
T1086292325BD60EB2E3ABD3F245FBD2DA5865B13E93035B3E94482F4A79235008D94ED4
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/0x000c000000019cc9-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5448	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	2026-08-19_6ee83dcdb8022efcd3b78ee671291c0e_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 4240 wrote to memory of 5448	4240	2026-08-19_6ee83dcdb8022efcd3b78ee671291c0e_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_6ee83dcdb8022efcd3b78ee671291c0e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_6ee83dcdb8022efcd3b78ee671291c0e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240
- 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:5448

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 15KB
SHA256 3090f9a1e302511c2d09c8b861184ba9af2be4662e02681ff8faf4f971861c73
MD5 ffa604c4c382dbfd1d3add033546cef6
SHA1 5ad184693e0177c1104b306c78635ce2e57c6e56
SHA512 ad33301e12a55c17b6f9d22f21f718f295336e0af224a3c474f69217f1a28bd425c1c9473f751c738cb790d0d8a9e2cdcaef4c39a6054f555be3e1b2df1f22e8
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGimeDMSN3Pz5T:uTQWckBeEd6ml1pcg7F3GiFfNNXAU
TLSH
T1A57292325BD60EB2E3ABD3F245FBD2DA5865B13E93035B3E94482F4A69235008D94ED4
MD5 SHA1 SHA512 SSDEEP TLSH

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