waski | c480f4d4c9cc78623edf6a7c723af7c08162034ac43cae2ded3d36d90801c353

Analysis

max time kernel
148s
max time network
150s
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, 13:19

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General

Target
2026-08-20_097217c3de0a7b4acbdddb9415abcf36_elex_wannacry.exe
Size 30KB
Sample260820-qk2ehsxhkh
SHA256 c480f4d4c9cc78623edf6a7c723af7c08162034ac43cae2ded3d36d90801c353
MD5 097217c3de0a7b4acbdddb9415abcf36
SHA1 79dfc708ff34573d6fd3947b7c2729b2ab42401e
SHA512 68c2d2d7d7258cb27450c147bfabdbf7e4e5f2e585dd8eff28f88dc29a286e6055e274f3259795908dbaf3719173423d7194165a5c9813654b5a164dc85ca1ef
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NUOASsslhi5LcH:yGEWbwbF8swFcH
TLSH
T1ECE21C3C6FD51AB2F3B7CAB6C5F65AC6B935B0737902490D808603850C23F16ED91A6E
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/0x000f000000016cdf-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4308	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	2026-08-20_097217c3de0a7b4acbdddb9415abcf36_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 4148 wrote to memory of 4308	4148	2026-08-20_097217c3de0a7b4acbdddb9415abcf36_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_097217c3de0a7b4acbdddb9415abcf36_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_097217c3de0a7b4acbdddb9415abcf36_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4148
- 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:4308

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 30KB
SHA256 48462d0c18d0c1915bba4c8e9aa09eea504a935cf6d1b026413b11dcff09fe2a
MD5 cd39d2b53820182a409d1397a380fc26
SHA1 307cb65242146b32d261d4b83ea3f887ac2c4e7e
SHA512 2baeaa3c371113236114a3d79321d8b7947e963c784796153a4a381eff78ac9d846db90c06ff1fe6c5122447f688cb69a34c4499eb7d697981e0931a82c8bb5c
SSDEEP 768:vLoZWN6GGBZ2BbwEoP/NUOASsslhi5LcY:yGEWbwbF8swFcY
TLSH
T18BE21D3C6FD51AB2F3B7CAB6C5F65AC6B935B0737902490D808603850C23F16ED91A6E
MD5 SHA1 SHA512 SSDEEP TLSH

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