waski | d58c20b59bc035f50a1ab267b306efe4e7b5f403d7612a8d17413f2acab3e208

Analysis

max time kernel
148s
max time network
135s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 11:48

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General

Target
2026-08-02_42d62d0ec5245a938d5c0bb63a331481_elex_wannacry.exe
Size 14KB
Sample260802-nylj4ssckg
SHA256 d58c20b59bc035f50a1ab267b306efe4e7b5f403d7612a8d17413f2acab3e208
MD5 42d62d0ec5245a938d5c0bb63a331481
SHA1 f1d8cde63482ea978209efc385ea30848b430958
SHA512 f1b051c35307be7d56c088d4549664ce02be2e2f7506a8d939fa51c18b715bc368279a0699202b62753d86794c1634b7e1b1889abb70222dbe8c6655bd8758a6
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSKwV6EohCHt/:j4nBHA7f46l1JcV4rAAAAAJEohCl
TLSH
T11F62E82A5BE099B3F3B6C93489FB574CAA3574C3FD120A0ED5989348CD23712DC0A62D
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/0x001100000001b303-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4152	ieupdater.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	2026-08-02_42d62d0ec5245a938d5c0bb63a331481_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ieupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 4152	964	2026-08-02_42d62d0ec5245a938d5c0bb63a331481_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_42d62d0ec5245a938d5c0bb63a331481_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_42d62d0ec5245a938d5c0bb63a331481_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\ieupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4152

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

ieupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
Size 14KB
SHA256 734b72edc398089096ad0f3a14f348edbcce0925c27de8077ca7d15a2c875bb2
MD5 8c349bfe60d2440d1e4fabc5b55d647a
SHA1 570d0863736a9b630a631e127c88e9c04069ae69
SHA512 cb389dac93d65a3c7e68d077fffc76847902740fa4b34dc58d7334e520b448c2aa94dcb9ab0b09e520722f24784ba48f648401cbf915849479a8ed12669d9662
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSKwV6EohCHtsE0:j4nBHA7f46l1JcV4rAAAAAJEohCV0
TLSH
T16862E82A5BE499B3F3B6C93489F7934CAA3574C3FD120A0ED5999348CD23712DC1A62D
MD5 SHA1 SHA512 SSDEEP TLSH

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