waski | bdb46ef8e9e2d4f9df61110ac3a1b87105fde0871c98fdf9cc1651c181ad7bb9

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
20/08/2026, 03:04

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General

Target
2026-08-20_acac22ca7739d9f4d9e24dcc04058271_elex_wannacry.exe
Size 22KB
Sample260820-dkty8ayemc
SHA256 bdb46ef8e9e2d4f9df61110ac3a1b87105fde0871c98fdf9cc1651c181ad7bb9
MD5 acac22ca7739d9f4d9e24dcc04058271
SHA1 3fffa6a78c15b93a272030b8d64f0c67ccf9fae1
SHA512 9dbe3794f574ad73eb2521a40c0b65c363b123813d13dfccd8fd69b08a4b8b5b88f63d7a1182d1ab621b61b1c78899ef5464d02e7554264f8bc3323998ab62e6
SSDEEP 384:j4nBHA7f46l1JcV4rAAAAAraIqh2Y7tWHlDrAii:jQxA7RzcYcHlDrAii
TLSH
T1CEA21D3D5FE45572E3B7CAB985F656C7BE357463B902890E808A43884C23F22EDA171D
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/0x000800000001b884-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4064	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	2026-08-20_acac22ca7739d9f4d9e24dcc04058271_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 4964 wrote to memory of 4064	4964	2026-08-20_acac22ca7739d9f4d9e24dcc04058271_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_acac22ca7739d9f4d9e24dcc04058271_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_acac22ca7739d9f4d9e24dcc04058271_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964
- 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:4064

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 22KB
SHA256 a159a440f7fb08a6bbacc857e3ff17e6ac97595d592f0516afda6086c9017241
MD5 cd116df20982534a48a511d612c0728a
SHA1 a082fc453b3b46051d43215145476477a2b14a55
SHA512 b2bb4d8927438d3e1b825b0e170e555ed6eecb7ebe03b094890391f89af23c20972365f2dd3a27c169c9c6cef167b1e5e7c64f19e29bfd8e74e1ac17323836db
SSDEEP 384:j4nBHA7f46l1JcV4rAAAAAraIqh2Y7tWHlDrAiE:jQxA7RzcYcHlDrAiE
TLSH
T170A21D3D5FE45572E3B7CAB985F656C7BE3574637902890E808A43884C23F22EDA171D
MD5 SHA1 SHA512 SSDEEP TLSH

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