waski | bb768b2a0d7fea81687d0f39a6d1b6ed29240ed4becae9afe78730186d855fad

Analysis

max time kernel
148s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 09:34

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General

Target
2026-08-03_09540b10bbff8669918d6fb51466c38c_elex_wannacry.exe
Size 14KB
Sample260803-ljv4wstdqa
SHA256 bb768b2a0d7fea81687d0f39a6d1b6ed29240ed4becae9afe78730186d855fad
MD5 09540b10bbff8669918d6fb51466c38c
SHA1 701a77ec8078312aca51efd400aa7f87dbbf5546
SHA512 9362af36cbc0292fb136845f1155db0db483f21406c13dd64da4c5dd323838f90ad5e9a2512ee8d3dc3f516491075f903b1ed9f9063064b66c4b9fa0614d23ff
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/e6x/:j4nBHA7f46l1JcV4rAAAAAyA/GKF
TLSH
T11162E9165FE489B2F3B68E3485FB5358AA3574C3FC12060ED5689349CD73712CC1AA2D
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/0x0007000000011394-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5112	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	2026-08-03_09540b10bbff8669918d6fb51466c38c_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 5540 wrote to memory of 5112	5540	2026-08-03_09540b10bbff8669918d6fb51466c38c_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_09540b10bbff8669918d6fb51466c38c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_09540b10bbff8669918d6fb51466c38c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5540
- 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:5112

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 9702cb64e2959f006ead445a8883dd0c8d3ec32bb2bdff7f8b353ef5daf870f0
MD5 cdaea6bab576868e9cbb9a073dc9695b
SHA1 1b00b7db18c55b7b64f450b99e5f8f4d89845f53
SHA512 303d580b2f6074459a2bfbb3326496a67a938e696b51fba59766ad4c6cb44f1d93129fefeccdfc4719629229f4f02354ec5ac99e45d7b7c2eefff2af020e298b
SSDEEP 192:j4vFJB76X8aN3T/MC4kmikwuCl1oynTcd3W6uCcbJrAAAAA4mSHA/Gpy/e6xsG:j4nBHA7f46l1JcV4rAAAAAyA/GKOG
TLSH
T11662D8265FE489B2F3B68A7486FB5358AA3574C3FC12060ED5589349CD33712DC1AA2D
MD5 SHA1 SHA512 SSDEEP TLSH

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