Analysis

  • max time kernel
    133s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 02:05

General

  • Target

    e5d97a568f1962694316e3ac3f5120e1c2aae9d6c6a16f2b9cceed793b4377b4.exe

  • Size

    2.0MB

  • MD5

    5e8e7dd95b3e592a44a3c61b7f8d91f8

  • SHA1

    d829b9e1e99087d94f527f359184f65b608190c5

  • SHA256

    8d278608d1d1c4c5b6c048020c23351e75203066af1ae1e63c5c5ac0170cd3de

  • SHA512

    a9846b798e89596da64cfeb844a5dcb3eefa983972cc4433cb6861464a386900a9035428187e5ae4e8b666a70df7c147f48884c512ee5823bcd1275072fc8d60

  • SSDEEP

    49152:tl2eQMj254Xra+qk6okjyjxKtyEAqVG13lwUWQdHt:76euw

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

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.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5d97a568f1962694316e3ac3f5120e1c2aae9d6c6a16f2b9cceed793b4377b4.exe
    "C:\Users\Admin\AppData\Local\Temp\e5d97a568f1962694316e3ac3f5120e1c2aae9d6c6a16f2b9cceed793b4377b4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:2316
      • C:\Windows\System32\calc.exe
        "C:\Windows\System32\calc.exe"
        2⤵
          PID:592
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:4500
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 12
              3⤵
              • Program crash
              PID:1544
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4500 -ip 4500
          1⤵
            PID:1332

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5gl54n3z.mcd.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/1676-0-0x00007FFC10123000-0x00007FFC10125000-memory.dmp

            Filesize

            8KB

          • memory/1676-10-0x0000023C78AE0000-0x0000023C78B02000-memory.dmp

            Filesize

            136KB

          • memory/1676-11-0x00007FFC10120000-0x00007FFC10BE1000-memory.dmp

            Filesize

            10.8MB

          • memory/1676-12-0x00007FFC10120000-0x00007FFC10BE1000-memory.dmp

            Filesize

            10.8MB

          • memory/1676-16-0x00007FFC10120000-0x00007FFC10BE1000-memory.dmp

            Filesize

            10.8MB

          • memory/4500-17-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB