Overview

overview

10

Static

static

BC Wallet.exe

windows7_x64

10

BC Wallet.exe

windows10_x64

10

Analysis

  • max time kernel
    65s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    14/08/2020, 15:51

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General

  • Target
    BC Wallet.exe
  • Size 763KB
  • Sample200814-mp87xhdm52
  • SHA256 d2008be18698ccf6675fcad98c927c33c2fae86f2a0120393df3e2e7936f5055
  • MD5 SHA1 SHA512
Score
10/10
upxkeyloggerstealerspywaretrojanagenttesla

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    smtp.knmbz.com
  • Port

    587
  • Username

    [email protected]
  • Password

    $rGTkHr0

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
    keyloggerstealer
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BC Wallet.exe
    "C:\Users\Admin\AppData\Local\Temp\BC Wallet.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Local\Temp\BC Wallet.exe
      "C:\Users\Admin\AppData\Local\Temp\BC Wallet.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3616

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3616-0-0x0000000000400000-0x00000000004BF000-memory.dmp
        Download

        memory/3616-2-0x0000000000400000-0x00000000004BF000-memory.dmp
        Download

        memory/3616-3-0x0000000000400000-0x00000000004BF000-memory.dmp
        Download

        memory/3616-4-0x0000000002210000-0x000000000226A000-memory.dmp
        Download

        memory/3616-5-0x0000000000B22000-0x0000000000B23000-memory.dmp
        Download