waski | 1ae78441d5a1c8fdd9549e078e7f08dc001c4f0939d4e04fb78fa47091b54557

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/06/2026, 04:34

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General

Target
2026-06-27_9e55b48230f6cf73663572b86e597ee5_elex_wannacry.exe
Size 29KB
Sample260629-e7dq7aet7k
SHA256 1ae78441d5a1c8fdd9549e078e7f08dc001c4f0939d4e04fb78fa47091b54557
MD5 9e55b48230f6cf73663572b86e597ee5
SHA1 b3c2257d798116ffd0bfd337b6cb1251174d0ffa
SHA512 73125e80d06bd06edcd5a5f0b66fb6bdaed739715a9e6dccd770f4abe273cff1e18d820d6fe2e5f5176f8a36f920b5cbe0ccd3edfaa05dac2115bc9d21a5f506
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIc:uTKWckBeEd6ml1pcg7eMUUz6ie
TLSH
T1C1D2A5356BE45D73E3BFD7B186FBC1C5A975742A2E03992E80451B882C23A11DCA0F9D
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/0x00080000000007b0-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3848	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	2026-06-27_9e55b48230f6cf73663572b86e597ee5_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 3148 wrote to memory of 3848	3148	2026-06-27_9e55b48230f6cf73663572b86e597ee5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-06-27_9e55b48230f6cf73663572b86e597ee5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-27_9e55b48230f6cf73663572b86e597ee5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3148
- 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:3848

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 30KB
SHA256 20b56caf970ef3c52596c5bc8a55a511dd08ce905ff893f4f40302f2a5bf2f7d
MD5 1eeb9c20e3ca760df9e2e6c8c1757a71
SHA1 3045849b61485a5562bde94ce556da4fa77f2e6c
SHA512 6da0a579de94c9c7a17dddc7a57da8fcee052144f871edc2f73842388e82912684d22bd92c926dfc0561a2136932d4503ec5c54f14a088b6c97a5370f2d52e05
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIz:uTKWckBeEd6ml1pcg7eMUUz6it
TLSH
T1D9D2A5356BE45D73E3BFD7B186F7C1C5A974742A2E03992E80451B882C23A11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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