Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 06:45

General

  • Target
    LFaMlxYlXkpv4GL.exe
  • Size 653KB
  • Sample240805-hh37bsygrp
  • SHA256 5a4a51d74e1843630ec0749d480f0057efd6d0b3e867253d1e871f6394171dc7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • ps15

Decoy
  • 57797.asia

  • jhpwt.net

  • basketballdrillsforkids.com

  • zgzf6.rest

  • casinomaxnodepositbonus.icu

  • uptocryptonews.com

  • gomenasorry.com

  • fortanix.space

  • stripscity.xyz

  • genbotdiy.xyz

  • mayson-wedding.com

  • neb-hub.net

  • seancollinsmusic.com

  • migraine-treatment-57211.bond

  • prosperawoman.info

  • tradefairleads.tech

  • xn--yeminlitercme-6ob.com

  • xwaveevent.com

  • fashiontrendshub.xyz

  • window-replacement-80823.bond

Signatures

  • Formbook

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

  • Formbook payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 3 IoCs
  • 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.

  • 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 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3476
    • C:\Users\Admin\AppData\Local\Temp\LFaMlxYlXkpv4GL.exe
      "C:\Users\Admin\AppData\Local\Temp\LFaMlxYlXkpv4GL.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • 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\Local\Temp\LFaMlxYlXkpv4GL.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1736
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YANEQIBuodfvB.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3268
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YANEQIBuodfvB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE00.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3864
      • C:\Users\Admin\AppData\Local\Temp\LFaMlxYlXkpv4GL.exe
        "C:\Users\Admin\AppData\Local\Temp\LFaMlxYlXkpv4GL.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2256
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\LFaMlxYlXkpv4GL.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        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

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 cbd17401b47ff170d8bca39b20866980dc97c1e9860dc9ddcdb40713afeb44ef
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_jup3xp52.4of.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jup3xp52.4of.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpBE00.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpBE00.tmp
        • Size 1KB
        • SHA256 baf6e18d32aa23a1b7abc1437527c58188eeee2da33882975c2ed2c02de0cb32
        • MD5 SHA1 SHA512

        memory/1644-92-0x0000000000B90000-0x0000000000BBF000-memory.dmp

        memory/1644-78-0x0000000000530000-0x0000000000557000-memory.dmp

        memory/1736-77-0x0000000007460000-0x000000000746A000-memory.dmp

        memory/1736-50-0x00000000060C0000-0x00000000060DE000-memory.dmp

        memory/1736-90-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/1736-84-0x0000000007710000-0x0000000007718000-memory.dmp

        memory/1736-80-0x00000000075F0000-0x0000000007601000-memory.dmp

        memory/1736-15-0x00000000027E0000-0x0000000002816000-memory.dmp

        memory/1736-17-0x0000000005380000-0x00000000059A8000-memory.dmp

        memory/1736-16-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/1736-18-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/1736-21-0x0000000005120000-0x0000000005186000-memory.dmp

        memory/1736-20-0x00000000050B0000-0x0000000005116000-memory.dmp

        memory/1736-19-0x0000000005000000-0x0000000005022000-memory.dmp

        memory/1736-64-0x0000000074D80000-0x0000000074DCC000-memory.dmp

        memory/1736-32-0x0000000005AC0000-0x0000000005E14000-memory.dmp

        memory/1736-51-0x0000000006160000-0x00000000061AC000-memory.dmp

        memory/1736-46-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/2256-43-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/3104-9-0x0000000009520000-0x0000000009596000-memory.dmp

        memory/3104-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

        memory/3104-48-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/3104-1-0x0000000000CE0000-0x0000000000D86000-memory.dmp

        memory/3104-7-0x0000000005CC0000-0x0000000005CCE000-memory.dmp

        memory/3104-5-0x0000000005620000-0x000000000562A000-memory.dmp

        memory/3104-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

        memory/3104-3-0x0000000005640000-0x00000000056D2000-memory.dmp

        memory/3104-6-0x0000000005CA0000-0x0000000005CB8000-memory.dmp

        memory/3104-8-0x00000000069D0000-0x00000000069E6000-memory.dmp

        memory/3104-10-0x000000000C630000-0x000000000C6CC000-memory.dmp

        memory/3104-4-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/3268-63-0x00000000076A0000-0x00000000076BE000-memory.dmp

        memory/3268-83-0x0000000007B50000-0x0000000007B6A000-memory.dmp

        memory/3268-75-0x0000000007E50000-0x00000000084CA000-memory.dmp

        memory/3268-79-0x0000000007A90000-0x0000000007B26000-memory.dmp

        memory/3268-53-0x0000000074D80000-0x0000000074DCC000-memory.dmp

        memory/3268-81-0x0000000007A40000-0x0000000007A4E000-memory.dmp

        memory/3268-82-0x0000000007A50000-0x0000000007A64000-memory.dmp

        memory/3268-42-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/3268-44-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/3268-91-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/3268-74-0x00000000076D0000-0x0000000007773000-memory.dmp

        memory/3268-76-0x0000000007810000-0x000000000782A000-memory.dmp

        memory/3268-52-0x0000000007660000-0x0000000007692000-memory.dmp

        memory/3268-47-0x00000000744F0000-0x0000000074CA0000-memory.dmp

        memory/3476-95-0x0000000002990000-0x0000000002A58000-memory.dmp