Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/04/2025, 13:43

General

  • Target

    4zASnGa4OgB4N7r.exe

  • Size

    649KB

  • MD5

    f1aafe1fa887b90aa7f08674eb68e4f1

  • SHA1

    a9564877424e164fc1c1653f6fe54eba40b6ce8e

  • SHA256

    6036a28c74493ce0e6d87a468959a047011d2e6cf63807d9a3d154b8642d7e65

  • SHA512

    a2822e11abec9945101b3d69e6990ab4428d1bb8768faf17771a2af7c70cca258ca5d6cadbb623b35297edc5ce97830c19c9b8b6385609a975216d8860daf005

  • SSDEEP

    12288:iHf2ThrfQJzs2F8yIoblebQlWDXS0cyy7nNbDC3yUTMWCFSzgg6CTkR:AfKhrf0sXGes303ONbG3xTyUgDf

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hi13

Decoy

olidspot.shop

aise-your-voice.sbs

9ydygorig3l7z.xyz

netuzio.xyz

erspacehealthandwellness.info

hbnzk.cfd

uklor.shop

tudiofoti.pro

onety.skin

iralavinc.online

teelpath.shop

w-yudfjp.shop

betka.xyz

lx2cbhe5vee0e1.xyz

ndotoverf.pro

loud-sevice.click

enckubs.shop

anpack.shop

nity-3d-development.dev

iaolento12.sbs

Signatures

  • Formbook

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

  • Formbook family
  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • 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 62 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 59 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe
      "C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4940
      • 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\4zASnGa4OgB4N7r.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4892
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\adXoeH.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3592
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA901.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:220
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3488
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5672
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2308

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d0c46cad6c0778401e21910bd6b56b70

    SHA1

    7be418951ea96326aca445b8dfe449b2bfa0dca6

    SHA256

    9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

    SHA512

    057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    23f6c80aca65f5ef6ab3597c39928ed7

    SHA1

    e489da7136d31e11a5c7110b6a97c3603953b665

    SHA256

    7d1f55dcd2d2a0be4ead63d2d67a2cf95988492276a14b9d9fd8d7d289c0a015

    SHA512

    90a280584ed0372311858588538e58371117b951b97048a07e7b5fcb3b1ac46bebc7ce416feac3c90e610af849db6baea219213dc13ad3e31743781138deedce

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kdkpfxyb.wkf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA901.tmp

    Filesize

    1KB

    MD5

    7d8efccfd8e43e518720ecc339830332

    SHA1

    593566f448eb065ac2860003a1f6489f98e7b22b

    SHA256

    de16462bbe81efc2b3befec42580082ce5ad7346abe363271d03f187cafeddaa

    SHA512

    dc9894f3c8538a275c843de70c1ab088e670ceb85478fb397a27b09ce30ffa2b7549a1ea280e66b485b38852417f84ae83f2d362e6792915d91065e31ebe3e3e

  • memory/3256-90-0x0000000006460000-0x000000000657C000-memory.dmp

    Filesize

    1.1MB

  • memory/3488-27-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3592-62-0x0000000008070000-0x00000000086EA000-memory.dmp

    Filesize

    6.5MB

  • memory/3592-19-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-67-0x0000000007C70000-0x0000000007C7E000-memory.dmp

    Filesize

    56KB

  • memory/3592-66-0x0000000007C40000-0x0000000007C51000-memory.dmp

    Filesize

    68KB

  • memory/3592-65-0x0000000007CC0000-0x0000000007D56000-memory.dmp

    Filesize

    600KB

  • memory/3592-64-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

    Filesize

    40KB

  • memory/3592-78-0x0000000007D80000-0x0000000007D9A000-memory.dmp

    Filesize

    104KB

  • memory/3592-63-0x0000000007A30000-0x0000000007A4A000-memory.dmp

    Filesize

    104KB

  • memory/3592-61-0x0000000007710000-0x00000000077B4000-memory.dmp

    Filesize

    656KB

  • memory/3592-68-0x0000000007C80000-0x0000000007C95000-memory.dmp

    Filesize

    84KB

  • memory/3592-20-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-79-0x0000000007D70000-0x0000000007D78000-memory.dmp

    Filesize

    32KB

  • memory/3592-51-0x0000000075730000-0x000000007577C000-memory.dmp

    Filesize

    304KB

  • memory/3592-60-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

    Filesize

    120KB

  • memory/3592-50-0x00000000076D0000-0x0000000007704000-memory.dmp

    Filesize

    208KB

  • memory/3592-26-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-82-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-48-0x00000000066E0000-0x00000000066FE000-memory.dmp

    Filesize

    120KB

  • memory/3592-49-0x0000000006C30000-0x0000000006C7C000-memory.dmp

    Filesize

    304KB

  • memory/4892-16-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-29-0x0000000006130000-0x0000000006487000-memory.dmp

    Filesize

    3.3MB

  • memory/4892-87-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-24-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/4892-23-0x0000000005680000-0x00000000056A2000-memory.dmp

    Filesize

    136KB

  • memory/4892-25-0x0000000005FC0000-0x0000000006026000-memory.dmp

    Filesize

    408KB

  • memory/4892-22-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-18-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-17-0x0000000005990000-0x0000000005FBA000-memory.dmp

    Filesize

    6.2MB

  • memory/4892-69-0x0000000075730000-0x000000007577C000-memory.dmp

    Filesize

    304KB

  • memory/4892-15-0x0000000002E50000-0x0000000002E86000-memory.dmp

    Filesize

    216KB

  • memory/4940-8-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/4940-4-0x0000000005880000-0x000000000591C000-memory.dmp

    Filesize

    624KB

  • memory/4940-10-0x0000000006A20000-0x0000000006A98000-memory.dmp

    Filesize

    480KB

  • memory/4940-7-0x0000000005CE0000-0x0000000005CF2000-memory.dmp

    Filesize

    72KB

  • memory/4940-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/4940-5-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-6-0x0000000005770000-0x000000000577A000-memory.dmp

    Filesize

    40KB

  • memory/4940-9-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-1-0x0000000000C10000-0x0000000000CB6000-memory.dmp

    Filesize

    664KB

  • memory/4940-3-0x00000000057E0000-0x0000000005872000-memory.dmp

    Filesize

    584KB

  • memory/4940-2-0x0000000005CF0000-0x0000000006296000-memory.dmp

    Filesize

    5.6MB

  • memory/4940-35-0x0000000074E80000-0x0000000075631000-memory.dmp

    Filesize

    7.7MB

  • memory/5672-88-0x0000000000740000-0x000000000076F000-memory.dmp

    Filesize

    188KB

  • memory/5672-83-0x0000000000470000-0x000000000047B000-memory.dmp

    Filesize

    44KB