Overview

overview

10

Static

static

d13092cd48...8f.exe

windows7_x64

10

d13092cd48...8f.exe

windows10_x64

10

Analysis

  • max time kernel
    66s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    16/03/2021, 18:17

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General

  • Target
    d13092cd4854e3f28d379ce5bfa0238f.exe
  • Size 636KB
  • Sample210316-9bhkthf4fe
  • SHA256 57265e6674b80a1e6292f45a4cf8be1a1b623cb1e5f89b7e07d8b7916e381e30
  • MD5 SHA1 SHA512
Score
10/10
vidardiscoveryspywarestealer

Malware Config

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Loads dropped DLL 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • 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
    evasion
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d13092cd4854e3f28d379ce5bfa0238f.exe
    "C:\Users\Admin\AppData\Local\Temp\d13092cd4854e3f28d379ce5bfa0238f.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im d13092cd4854e3f28d379ce5bfa0238f.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d13092cd4854e3f28d379ce5bfa0238f.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:580
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im d13092cd4854e3f28d379ce5bfa0238f.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1156
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:2136

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/640-2-0x0000000003140000-0x0000000003141000-memory.dmp
        Download

        memory/640-4-0x0000000000400000-0x0000000000499000-memory.dmp
        Download

        memory/640-3-0x0000000002FC0000-0x0000000003056000-memory.dmp
        Download