Overview

overview

10

Static

static

CDC95F7C10...E0.exe

windows7_x64

10

CDC95F7C10...E0.exe

windows10_x64

10

Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19/04/2021, 12:41

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General

  • Target
    CDC95F7C10CC944D1B9C48F551CAD3E0.exe
  • Size 3.6MB
  • Sample210419-wp6lbjma5a
  • SHA256 a0ac775ecbfa0ab3218e32b09a0d4fdcd82e7ceaa31241dc106c4fc77e9b5ddb
  • MD5 SHA1 SHA512
Score
10/10
vidardiscoveryspywarestealer

Malware Config

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Executes dropped EXE 2 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CDC95F7C10CC944D1B9C48F551CAD3E0.exe
    "C:\Users\Admin\AppData\Local\Temp\CDC95F7C10CC944D1B9C48F551CAD3E0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Users\Admin\AppData\Roaming\BingoBooms\bingoboom.exe
      "C:\Users\Admin\AppData\Roaming\BingoBooms\bingoboom.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Users\Admin\AppData\Roaming\BingoBooms\bingoboom.exe
        "C:\Users\Admin\AppData\Roaming\BingoBooms\bingoboom.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3996
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im bingoboom.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Roaming\BingoBooms\bingoboom.exe" & del C:\ProgramData\*.dll & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1020
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /im bingoboom.exe /f
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1096
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 6
            5⤵
            • Delays execution with timeout.exe
            PID:2080

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3872-114-0x00000000007F0000-0x000000000093A000-memory.dmp
        Download

        memory/3996-121-0x0000000000400000-0x0000000000498000-memory.dmp
        Download

        memory/3996-118-0x0000000000400000-0x0000000000498000-memory.dmp
        Download