waski | ad93356ddb4ab6f48ffd84b6f453be08cbb78e2d38e012bdbcc08c519ddb5e26

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
21/08/2026, 08:09

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General

Target
2026-08-21_051d6eeefc017e2ac5baac76936085e2_elex_wannacry.exe
Size 20KB
Sample260821-j2cddszxd1
SHA256 ad93356ddb4ab6f48ffd84b6f453be08cbb78e2d38e012bdbcc08c519ddb5e26
MD5 051d6eeefc017e2ac5baac76936085e2
SHA1 9a4e9aa02d2813a9b732e8644f7f1fcbeacbe9ae
SHA512 d31791ce70be49a43ebecc0ce10f541fb8953720fb5f2cebe4f5e31da117ef0533d70d3ca2986cdf06c09e9c0f337308d6f6bf99a0428db4035a4a5623d777cb
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnjoMj:vLoZWN6GGBZ2BbwEoP/NUjoMj
TLSH
T1DB9252394FD24AB6F373CAB685F797D6EA31F1A3B4030A0DD48607058813752AD85DAD
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/0x000a000000011390-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4124	operaupdater.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	2026-08-21_051d6eeefc017e2ac5baac76936085e2_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	operaupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 4124	1804	2026-08-21_051d6eeefc017e2ac5baac76936085e2_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-21_051d6eeefc017e2ac5baac76936085e2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_051d6eeefc017e2ac5baac76936085e2_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\operaupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4124

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

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 20KB
SHA256 61a52f629b43331f48d3321a11d0c3aedbbf5849da4cfa250e76bc022075807a
MD5 556bf1d1cb91602c61866f141b359ddf
SHA1 b47c5fcbc96365515f73d8c15dc822810b88d082
SHA512 72e9076b05cc5348440e06e2d59ac79f76f5707968d0e52010a87a3d65e12e02930f4f6694413b1ff2be63684779d714ee9460fa9adda8b92e29eff7a6a7072b
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//lMnjoMk:vLoZWN6GGBZ2BbwEoP/NUjoMk
TLSH
T1259252394FD24AB6F3B3CAB685F797D6EA31F5A3B4020A0DD08607058813742ED85DAD
MD5 SHA1 SHA512 SSDEEP TLSH

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