Analysis

  • max time kernel
    148s
  • max time network
    132s
  • 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, 14:17

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 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • 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:2936
      • 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:2816
      • 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:4448
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9AE8.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5420
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
          PID:5100
        • 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:5088
      • 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:5552
        • 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:4184

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    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

      e6c3a2f14a0ce959ae5216325c0f7e16

      SHA1

      f1bddcb3db123e00274c20864edb3dd11ba4f234

      SHA256

      94bfdfcf3bc57f04decdb9d7d33300046276dbfea4f46f3c03e56180ce024585

      SHA512

      8399452a23f32ca9a11ef881b611165261899d7682322512469ae63e6b4afac64549b7b3bc68d8aa2e6a62baf2babdb353b03104ad9d437d50f5bfae9c8d563b

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ng35acam.qji.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9AE8.tmp

      Filesize

      1KB

      MD5

      8b73b261833e3ae97bca2524cd9bbb92

      SHA1

      2c9b3450e41f9057bf9011ca506315319660e460

      SHA256

      af8bed72bae77546d554333887912968234f43a9dadcda76f3a2072cb8fc15ec

      SHA512

      e5abad0e7a1199ae384bb8e3b3819e06f1715ed53d15a2a3adcd3ce1675c1dc0b6d9d78db9079536eb6d06fe47624842930d171353f8307f855a8c41e14c7612

    • memory/2816-73-0x0000000007B00000-0x0000000007B0A000-memory.dmp

      Filesize

      40KB

    • memory/2816-79-0x0000000007DC0000-0x0000000007DC8000-memory.dmp

      Filesize

      32KB

    • memory/2816-85-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2816-49-0x00000000067C0000-0x000000000680C000-memory.dmp

      Filesize

      304KB

    • memory/2816-75-0x0000000007C90000-0x0000000007CA1000-memory.dmp

      Filesize

      68KB

    • memory/2816-74-0x0000000007D10000-0x0000000007DA6000-memory.dmp

      Filesize

      600KB

    • memory/2816-71-0x00000000080C0000-0x000000000873A000-memory.dmp

      Filesize

      6.5MB

    • memory/2816-15-0x0000000005280000-0x00000000052B6000-memory.dmp

      Filesize

      216KB

    • memory/2816-16-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2816-17-0x00000000059E0000-0x000000000600A000-memory.dmp

      Filesize

      6.2MB

    • memory/2816-18-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2816-72-0x0000000007A80000-0x0000000007A9A000-memory.dmp

      Filesize

      104KB

    • memory/2816-43-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2816-61-0x0000000007740000-0x00000000077E4000-memory.dmp

      Filesize

      656KB

    • memory/2816-50-0x00000000076E0000-0x0000000007714000-memory.dmp

      Filesize

      208KB

    • memory/2816-48-0x0000000006730000-0x000000000674E000-memory.dmp

      Filesize

      120KB

    • memory/2816-29-0x0000000006200000-0x0000000006557000-memory.dmp

      Filesize

      3.3MB

    • memory/2816-21-0x0000000006010000-0x0000000006076000-memory.dmp

      Filesize

      408KB

    • memory/2816-20-0x0000000005930000-0x0000000005996000-memory.dmp

      Filesize

      408KB

    • memory/2816-19-0x0000000005890000-0x00000000058B2000-memory.dmp

      Filesize

      136KB

    • memory/2816-51-0x00000000752E0000-0x000000007532C000-memory.dmp

      Filesize

      304KB

    • memory/2816-60-0x0000000007720000-0x000000000773E000-memory.dmp

      Filesize

      120KB

    • memory/2936-3-0x0000000005BB0000-0x0000000005C42000-memory.dmp

      Filesize

      584KB

    • memory/2936-7-0x0000000005DA0000-0x0000000005DB2000-memory.dmp

      Filesize

      72KB

    • memory/2936-5-0x0000000005B30000-0x0000000005B3A000-memory.dmp

      Filesize

      40KB

    • memory/2936-1-0x0000000000FE0000-0x0000000001086000-memory.dmp

      Filesize

      664KB

    • memory/2936-47-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-6-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-2-0x0000000006160000-0x0000000006706000-memory.dmp

      Filesize

      5.6MB

    • memory/2936-8-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/2936-4-0x0000000005C50000-0x0000000005CEC000-memory.dmp

      Filesize

      624KB

    • memory/2936-10-0x0000000008560000-0x00000000085D8000-memory.dmp

      Filesize

      480KB

    • memory/2936-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/2936-9-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-90-0x0000000005E10000-0x0000000005EEB000-memory.dmp

      Filesize

      876KB

    • memory/4448-62-0x00000000752E0000-0x000000007532C000-memory.dmp

      Filesize

      304KB

    • memory/4448-76-0x0000000007710000-0x000000000771E000-memory.dmp

      Filesize

      56KB

    • memory/4448-77-0x0000000007720000-0x0000000007735000-memory.dmp

      Filesize

      84KB

    • memory/4448-78-0x0000000007820000-0x000000000783A000-memory.dmp

      Filesize

      104KB

    • memory/4448-25-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-86-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-33-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-46-0x0000000074A30000-0x00000000751E1000-memory.dmp

      Filesize

      7.7MB

    • memory/5088-42-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/5552-87-0x0000000000590000-0x000000000059B000-memory.dmp

      Filesize

      44KB

    • memory/5552-88-0x0000000000E40000-0x0000000000E6F000-memory.dmp

      Filesize

      188KB