Overview

overview

10

Static

static

0e5986c256...3f.exe

windows7_x64

10

0e5986c256...3f.exe

windows10_x64

10

Analysis

  • max time kernel
    63s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22/03/2021, 17:40

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General

  • Target
    0e5986c256d2611294f5ef8b6d9ea73f.exe
  • Size 590KB
  • Sample210322-rd445qkd7x
  • SHA256 9379db9909eb90bc81cdb07b2d7dcbef69e5b1374e93b30153270ef2e58afe28
  • 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\0e5986c256d2611294f5ef8b6d9ea73f.exe
    "C:\Users\Admin\AppData\Local\Temp\0e5986c256d2611294f5ef8b6d9ea73f.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 0e5986c256d2611294f5ef8b6d9ea73f.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0e5986c256d2611294f5ef8b6d9ea73f.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 0e5986c256d2611294f5ef8b6d9ea73f.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3024
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:2060

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/1108-2-0x0000000000E10000-0x0000000000E11000-memory.dmp
        Download

        memory/1108-3-0x0000000000D10000-0x0000000000DA6000-memory.dmp
        Download

        memory/1108-4-0x0000000000400000-0x0000000000499000-memory.dmp
        Download