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
    03/08/2024, 02:21

General

  • Target
    dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
  • Size 615KB
  • Sample240803-cs7dvavclh
  • SHA256 dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • ss24

Decoy
  • agingwellhc.com

  • unikbetanggur.autos

  • eb2024yl.top

  • ja380.xyz

  • thehalcyon.studio

  • maudsoogrim.com

  • esteler10.click

  • mewtcp.xyz

  • www-zjbf1.club

  • kucinglucu.online

  • lunwencheck.com

  • 65597.photos

  • erbxeu358h.top

  • startable.online

  • yousend.xyz

  • csharksg.com

  • centricoatings.com

  • ntruhslearn.xyz

  • achabakra.xyz

  • zuntool.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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
    "C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1340
    • 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\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3260
    • C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
      "C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_yeoena0x.aup.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yeoena0x.aup.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/1340-6-0x00000000063C0000-0x00000000063D6000-memory.dmp

        memory/1340-8-0x0000000006510000-0x0000000006586000-memory.dmp

        memory/1340-3-0x0000000005140000-0x00000000051D2000-memory.dmp

        memory/1340-4-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/1340-5-0x0000000005310000-0x000000000531A000-memory.dmp

        memory/1340-0-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/1340-7-0x0000000006500000-0x000000000650E000-memory.dmp

        memory/1340-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

        memory/1340-9-0x000000000A320000-0x000000000A3BC000-memory.dmp

        memory/1340-1-0x00000000006C0000-0x0000000000760000-memory.dmp

        memory/1340-13-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/2032-10-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/2032-14-0x00000000019F0000-0x0000000001D3A000-memory.dmp

        memory/2032-11-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/3260-21-0x00000000060E0000-0x0000000006146000-memory.dmp

        memory/3260-46-0x0000000006F10000-0x0000000006F2E000-memory.dmp

        memory/3260-18-0x0000000005A40000-0x0000000006068000-memory.dmp

        memory/3260-19-0x0000000005980000-0x00000000059A2000-memory.dmp

        memory/3260-20-0x0000000006070000-0x00000000060D6000-memory.dmp

        memory/3260-15-0x0000000005380000-0x00000000053B6000-memory.dmp

        memory/3260-16-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/3260-31-0x00000000062E0000-0x0000000006634000-memory.dmp

        memory/3260-32-0x0000000006910000-0x000000000692E000-memory.dmp

        memory/3260-33-0x00000000069C0000-0x0000000006A0C000-memory.dmp

        memory/3260-36-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/3260-35-0x0000000071080000-0x00000000710CC000-memory.dmp

        memory/3260-34-0x00000000078E0000-0x0000000007912000-memory.dmp

        memory/3260-17-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

        memory/3260-47-0x0000000007B20000-0x0000000007BC3000-memory.dmp

        memory/3260-48-0x00000000082A0000-0x000000000891A000-memory.dmp

        memory/3260-49-0x0000000007C60000-0x0000000007C7A000-memory.dmp

        memory/3260-50-0x0000000007CD0000-0x0000000007CDA000-memory.dmp

        memory/3260-51-0x0000000007EE0000-0x0000000007F76000-memory.dmp

        memory/3260-52-0x0000000007E60000-0x0000000007E71000-memory.dmp

        memory/3260-53-0x0000000007E90000-0x0000000007E9E000-memory.dmp

        memory/3260-54-0x0000000007EA0000-0x0000000007EB4000-memory.dmp

        memory/3260-55-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

        memory/3260-56-0x0000000007F80000-0x0000000007F88000-memory.dmp

        memory/3260-58-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp