Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2024, 01:50

General

  • Target
    6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
  • Size 640KB
  • Sample240806-b9nsdswark
  • SHA256 6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • hy08

Decoy
  • weazc.top

  • servoceimmpajhnuz.info

  • vqemkdhi.xyz

  • wergol.com

  • spa-mk.com

  • rtpsid88.life

  • tatetits.fun

  • raidsa.xyz

  • suojiansuode.net

  • jointhejunction.com

  • wudai.net

  • typeboot.shop

  • mksport-app.com

  • miocloud.ovh

  • taipan77pandan.com

  • wwwhg58a.com

  • khuahamiksai31.pro

  • carpedatumllc.net

  • safebinders.com

  • krx21.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
    "C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjvoRD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4528
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjvoRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDDF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4332
    • C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
      "C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_r01l5rv0.qya.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r01l5rv0.qya.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpCDDF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCDDF.tmp
        • Size 1KB
        • SHA256 57f7fdbd21be6dbc0889811e3ffbb80b53ccb5a7ddfb0095b2799ec4787824d4
        • MD5 SHA1 SHA512

        memory/1636-37-0x0000000000E80000-0x00000000011CA000-memory.dmp

        memory/1636-24-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4528-53-0x0000000004C20000-0x0000000004C30000-memory.dmp

        memory/4528-52-0x0000000006580000-0x000000000659E000-memory.dmp

        memory/4528-66-0x0000000074590000-0x0000000074D40000-memory.dmp

        memory/4528-63-0x00000000075F0000-0x00000000075F8000-memory.dmp

        memory/4528-62-0x0000000007610000-0x000000000762A000-memory.dmp

        memory/4528-61-0x0000000007510000-0x0000000007524000-memory.dmp

        memory/4528-60-0x0000000007500000-0x000000000750E000-memory.dmp

        memory/4528-15-0x0000000002690000-0x00000000026C6000-memory.dmp

        memory/4528-17-0x0000000074590000-0x0000000074D40000-memory.dmp

        memory/4528-16-0x0000000005260000-0x0000000005888000-memory.dmp

        memory/4528-59-0x00000000074D0000-0x00000000074E1000-memory.dmp

        memory/4528-21-0x00000000050A0000-0x0000000005106000-memory.dmp

        memory/4528-20-0x0000000004F00000-0x0000000004F22000-memory.dmp

        memory/4528-22-0x0000000005110000-0x0000000005176000-memory.dmp

        memory/4528-19-0x0000000074590000-0x0000000074D40000-memory.dmp

        memory/4528-23-0x0000000074590000-0x0000000074D40000-memory.dmp

        memory/4528-58-0x0000000007550000-0x00000000075E6000-memory.dmp

        memory/4528-57-0x0000000007350000-0x000000000735A000-memory.dmp

        memory/4528-56-0x00000000072D0000-0x00000000072EA000-memory.dmp

        memory/4528-26-0x0000000005990000-0x0000000005CE4000-memory.dmp

        memory/4528-40-0x000000007FAB0000-0x000000007FAC0000-memory.dmp

        memory/4528-38-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

        memory/4528-39-0x0000000006040000-0x000000000608C000-memory.dmp

        memory/4528-55-0x0000000007920000-0x0000000007F9A000-memory.dmp

        memory/4528-42-0x0000000074E20000-0x0000000074E6C000-memory.dmp

        memory/4528-41-0x0000000007190000-0x00000000071C2000-memory.dmp

        memory/4528-54-0x00000000071D0000-0x0000000007273000-memory.dmp

        memory/4852-0-0x000000007459E000-0x000000007459F000-memory.dmp

        memory/4852-2-0x0000000005DF0000-0x0000000006394000-memory.dmp

        memory/4852-1-0x0000000000E70000-0x0000000000F16000-memory.dmp

        memory/4852-5-0x0000000005910000-0x000000000591A000-memory.dmp

        memory/4852-3-0x0000000005920000-0x00000000059B2000-memory.dmp

        memory/4852-36-0x0000000074590000-0x0000000074D40000-memory.dmp

        memory/4852-4-0x0000000074590000-0x0000000074D40000-memory.dmp

        memory/4852-10-0x000000000C810000-0x000000000C8AC000-memory.dmp

        memory/4852-9-0x0000000009700000-0x0000000009776000-memory.dmp

        memory/4852-8-0x0000000006BC0000-0x0000000006BD6000-memory.dmp

        memory/4852-7-0x0000000006BA0000-0x0000000006BAE000-memory.dmp

        memory/4852-6-0x00000000071A0000-0x00000000071B8000-memory.dmp