Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 04:34

General

  • Target

    cab6c398667a4645b9ac20c9748f194554a76706047f124297a76296e3e7a957.exe

  • Size

    943KB

  • MD5

    96e4917ea5d59eca7dd21ad7e7a03d07

  • SHA1

    28c721effb773fdd5cb2146457c10b081a9a4047

  • SHA256

    cab6c398667a4645b9ac20c9748f194554a76706047f124297a76296e3e7a957

  • SHA512

    3414450d1a200ffdcc6e3cb477a0a11049e5e86e8d15ae5b8ed3740a52a0226774333492279092134364460b565a25a7967b987f2304355ecfd5825f86e61687

  • SSDEEP

    24576:ajfMVHefX7eO2FwYPMGNL/geFyNcTN+jv75TQn652VBuNyb2i:oEQreO8wRGJtF4ch+jvNm0Nyb2

Malware Config

Extracted

Family

vidar

Version

11.3

Botnet

a21440e9f7223be06be5f5e2f94969c7

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

  • Detect Vidar Stealer 2 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cab6c398667a4645b9ac20c9748f194554a76706047f124297a76296e3e7a957.exe
    "C:\Users\Admin\AppData\Local\Temp\cab6c398667a4645b9ac20c9748f194554a76706047f124297a76296e3e7a957.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cab6c398667a4645b9ac20c9748f194554a76706047f124297a76296e3e7a957.exe" & rd /s /q "C:\ProgramData\JEBFIIIEHCFH" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4352
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 10
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\chrome.dll

    Filesize

    676KB

    MD5

    eda18948a989176f4eebb175ce806255

    SHA1

    ff22a3d5f5fb705137f233c36622c79eab995897

    SHA256

    81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

    SHA512

    160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

  • memory/4460-0-0x0000000000580000-0x0000000000880000-memory.dmp

    Filesize

    3.0MB

  • memory/4460-22-0x0000000000580000-0x0000000000880000-memory.dmp

    Filesize

    3.0MB