Analysis
- max time kernel
92s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
02/06/2024, 12:39
Behavioral task
behavioral1
Sample
Onnx File Installer.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Onnx File Installer.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
api-ms-win-crt-stdio-l1-1-0.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
api-ms-win-crt-string-l1-1-0.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
libcurl.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
libcurl.dll
Resource
win10v2004-20240426-en
General
- Target Onnx File Installer.exe
- Size 78KB
- Sample240602-pvywpsde46
- SHA256 2a470ef5fe5f825bf643a3d1fa819659857513a2c81cdc9a0305235617dc1b04
- MD5 e35f5c4a4d3763f1c9ea5ae6001c6ae4
- SHA1 32869af3cae52873656cfc64f4c169151c2bdd7d
- SHA512 8d3045ce0304c45a3be7a046940c6453c08386d5697e721161ac9f6cc5dfc68deecdbc5de94045153963e0810c486d9ceaa9e3229c60b7121cc85be57700645e
- SSDEEP 1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+5PIC:5Zv5PDwbjNrmAE+JIC
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
discordrat
-
discord_token
MTI0MzM1NDI0NDI1NDI3MzYzNw.GUkt7C.Pcja3LSm_8Cp1CqJOlASW0-GzRtoJOOBBsmJcg
-
server_id
1232533200622845975
Signatures
- Discord RAT
A RAT written in C# using Discord as a C2.
- Downloads MZ/PE file
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 13 IoCs
flow ioc 9 discord.com 46 raw.githubusercontent.com 53 discord.com 55 discord.com 47 raw.githubusercontent.com 51 raw.githubusercontent.com 10 discord.com 17 discord.com 52 discord.com 54 discord.com 44 discord.com 48 discord.com 49 discord.com - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1992 SCHTASKS.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4892 Onnx File Installer.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4892 wrote to memory of 1992 4892 Onnx File Installer.exe 93 PID 4892 wrote to memory of 1992 4892 Onnx File Installer.exe 93 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Onnx File Installer.exe"C:\Users\Admin\AppData\Local\Temp\Onnx File Installer.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77Onnx File Installer.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\Onnx File Installer.exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:1992
-