Overview

overview

10

Static

static

8

632a153640...34.exe

windows7_x64

10

632a153640...34.exe

windows10_x64

10

Analysis

  • max time kernel
    15s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22/12/2020, 06:51

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General

  • Target
    632a153640f22c85dff8322984512134.exe
  • Size 530KB
  • Sample201222-d5vxpmg4en
  • SHA256 2b6114a62abacb1a8db1fdb29f9855bca78d8e77dfdb3db07d4a0f59cfb4d9a2
  • 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 user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

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

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

    spyware
  • 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
  • JavaScript code in executable 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\632a153640f22c85dff8322984512134.exe
    "C:\Users\Admin\AppData\Local\Temp\632a153640f22c85dff8322984512134.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 632a153640f22c85dff8322984512134.exe /f & erase C:\Users\Admin\AppData\Local\Temp\632a153640f22c85dff8322984512134.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 632a153640f22c85dff8322984512134.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1308

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3084-2-0x0000000005266000-0x0000000005267000-memory.dmp
        Download

        memory/3084-3-0x0000000005770000-0x0000000005771000-memory.dmp
        Download